[INFO] cloning repository https://github.com/fabriceclementz/kvdb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fabriceclementz/kvdb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabriceclementz%2Fkvdb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabriceclementz%2Fkvdb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ee5e7d23f51cb043bfef6e702f4e3ee9c12e4b3
[INFO] checking fabriceclementz/kvdb against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabriceclementz%2Fkvdb" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fabriceclementz/kvdb on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fabriceclementz/kvdb
[INFO] finished tweaking git repo https://github.com/fabriceclementz/kvdb
[INFO] tweaked toml for git repo https://github.com/fabriceclementz/kvdb written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fabriceclementz/kvdb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rmp-serde v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0312460e387eaea27ea3f9e032635203bb3fa39ffc7b393725c8023f1d6e9ad4
[INFO] running `Command { std: "docker" "start" "-a" "0312460e387eaea27ea3f9e032635203bb3fa39ffc7b393725c8023f1d6e9ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0312460e387eaea27ea3f9e032635203bb3fa39ffc7b393725c8023f1d6e9ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0312460e387eaea27ea3f9e032635203bb3fa39ffc7b393725c8023f1d6e9ad4", kill_on_drop: false }`
[INFO] [stdout] 0312460e387eaea27ea3f9e032635203bb3fa39ffc7b393725c8023f1d6e9ad4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e6ddc0bdf91c68b29832e7d82c074d4c8e1c5528cff4a4f60fb58ddb92d986f
[INFO] running `Command { std: "docker" "start" "-a" "8e6ddc0bdf91c68b29832e7d82c074d4c8e1c5528cff4a4f60fb58ddb92d986f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking rmp v0.8.11
[INFO] [stderr]     Checking rmp-serde v1.1.0
[INFO] [stderr]     Checking kvdb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Seek`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Seek;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserializer`, `Serializer`
[INFO] [stdout]  --> src/lib.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rmp_serde::{Deserializer, Serializer};
[INFO] [stdout]   |                 ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Seek`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Seek;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserializer`, `Serializer`
[INFO] [stdout]  --> src/lib.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rmp_serde::{Deserializer, Serializer};
[INFO] [stdout]   |                 ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/segment.rs:2:37
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufReader, BufWriter, Read};
[INFO] [stdout]   |                                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/segment.rs:2:37
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufReader, BufWriter, Read};
[INFO] [stdout]   |                                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut index = BTreeMap::new();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut index = BTreeMap::new();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/lib.rs:68:23
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn get(&self, key: String) -> Option<String> {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/lib.rs:68:23
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn get(&self, key: String) -> Option<String> {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `segment`
[INFO] [stdout]   --> src/lib.rs:98:26
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn load_segment_in_index(segment: &Segment, index: &BTreeMap<String, CommandPos>) {
[INFO] [stdout]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_segment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/lib.rs:98:45
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn load_segment_in_index(segment: &Segment, index: &BTreeMap<String, CommandPos>) {
[INFO] [stdout]    |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `segment`
[INFO] [stdout]   --> src/lib.rs:98:26
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn load_segment_in_index(segment: &Segment, index: &BTreeMap<String, CommandPos>) {
[INFO] [stdout]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_segment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/lib.rs:98:45
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn load_segment_in_index(segment: &Segment, index: &BTreeMap<String, CommandPos>) {
[INFO] [stdout]    |                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data_dir`, `segments`, and `index` are never read
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct KvDb {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 14 |     // directory that contains data
[INFO] [stdout] 15 |     data_dir: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     segments: Vec<Segment>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 20 |     // Index that stores position of a key in a segment
[INFO] [stdout] 21 |     index: BTreeMap<String, CommandPos>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KvDb` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get` is never used
[INFO] [stdout]   --> src/lib.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 80 | impl Command {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub fn get(key: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `segment_num`, `pos`, and `len` are never read
[INFO] [stdout]   --> src/lib.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | struct CommandPos {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 93 |     segment_num: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 94 |     pos: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 95 |     len: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CommandPos` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `reader` is never read
[INFO] [stdout]  --> src/segment.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Segment {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 7 |     pub writer: BufWriter<File>,
[INFO] [stdout] 8 |     pub reader: BufReader<File>,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Segment` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data_dir`, `segments`, and `index` are never read
[INFO] [stdout]   --> src/lib.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct KvDb {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 14 |     // directory that contains data
[INFO] [stdout] 15 |     data_dir: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     segments: Vec<Segment>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 20 |     // Index that stores position of a key in a segment
[INFO] [stdout] 21 |     index: BTreeMap<String, CommandPos>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KvDb` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get` is never used
[INFO] [stdout]   --> src/lib.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 80 | impl Command {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub fn get(key: String) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `segment_num`, `pos`, and `len` are never read
[INFO] [stdout]   --> src/lib.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | struct CommandPos {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 93 |     segment_num: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 94 |     pos: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 95 |     len: u64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CommandPos` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `reader` is never read
[INFO] [stdout]  --> src/segment.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Segment {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 7 |     pub writer: BufWriter<File>,
[INFO] [stdout] 8 |     pub reader: BufReader<File>,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Segment` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.15s
[INFO] running `Command { std: "docker" "inspect" "8e6ddc0bdf91c68b29832e7d82c074d4c8e1c5528cff4a4f60fb58ddb92d986f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e6ddc0bdf91c68b29832e7d82c074d4c8e1c5528cff4a4f60fb58ddb92d986f", kill_on_drop: false }`
[INFO] [stdout] 8e6ddc0bdf91c68b29832e7d82c074d4c8e1c5528cff4a4f60fb58ddb92d986f
[INFO] checking fabriceclementz/kvdb against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabriceclementz%2Fkvdb" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fabriceclementz/kvdb on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fabriceclementz/kvdb
[INFO] finished tweaking git repo https://github.com/fabriceclementz/kvdb
[INFO] tweaked toml for git repo https://github.com/fabriceclementz/kvdb written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/fabriceclementz/kvdb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53fad6bc21dbd1da3c24136bf262cee00461f1d19555955cff41fe48cac0ed95
[INFO] running `Command { std: "docker" "start" "-a" "53fad6bc21dbd1da3c24136bf262cee00461f1d19555955cff41fe48cac0ed95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53fad6bc21dbd1da3c24136bf262cee00461f1d19555955cff41fe48cac0ed95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53fad6bc21dbd1da3c24136bf262cee00461f1d19555955cff41fe48cac0ed95", kill_on_drop: false }`
[INFO] [stdout] 53fad6bc21dbd1da3c24136bf262cee00461f1d19555955cff41fe48cac0ed95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 012a9f8cb31988d177bac752b765f6560a815740f2d71a3915e553b995012bd3
[INFO] running `Command { std: "docker" "start" "-a" "012a9f8cb31988d177bac752b765f6560a815740f2d71a3915e553b995012bd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcz7n7z4/symbols.o" "/opt/rustwide/target/debug/build/num-traits-d61d7eebeebbb013/build_script_build-d61d7eebeebbb013.build_script_build.6819dd6730731d9e-cgu.0.rcgu.o" "/opt/rustwide/target/debug/build/num-traits-d61d7eebeebbb013/build_script_build-d61d7eebeebbb013.c0dauxf5r1ft147.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libautocfg-a7b9971646bb635c.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-6183181fa671dc5b.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-0717037f6b0eea2d.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-b30b1af07795b345.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-b4513439f9e2eff4.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-89c7daf7b6421ee6.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-ca929c3c4a8825b3.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-82a6207a4090808d.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-ae671f6743503b8e.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-081c0dc6465d213d.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-4e1666f139f12757.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-d6789b63313428be.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-eb6f9b960309e6b1.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-cda7cee373864ce1.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d84d0e58f34585a5.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-8c4c4e24ed6290fa.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e8a6a2df7983aa1a.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9686387289eaa322.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-632ae0f28c5e55ff.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-5b3e30276043b6e7.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/build/num-traits-d61d7eebeebbb013/build_script_build-d61d7eebeebbb013" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: final link failed: No space left on device
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-Wl,--version-script=/tmp/rustcXy2uKQ/list" "-Wl,--no-undefined-version" "-m64" "/tmp/rustcXy2uKQ/symbols.o" "/opt/rustwide/target/debug/deps/paste-e09ad38754ea77ec.paste.7ca3223a70ea49be-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/paste-e09ad38754ea77ec.paste.7ca3223a70ea49be-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/paste-e09ad38754ea77ec.paste.7ca3223a70ea49be-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/paste-e09ad38754ea77ec.paste.7ca3223a70ea49be-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/paste-e09ad38754ea77ec.paste.7ca3223a70ea49be-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/paste-e09ad38754ea77ec.paste.7ca3223a70ea49be-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/paste-e09ad38754ea77ec.paste.7ca3223a70ea49be-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/paste-e09ad38754ea77ec.paste.7ca3223a70ea49be-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/paste-e09ad38754ea77ec.386fhd07szo52gnl.rcgu.rmeta" "/opt/rustwide/target/debug/deps/paste-e09ad38754ea77ec.2dshnll6vxsgzr6n.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libproc_macro-f251fb108567dd79.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-6183181fa671dc5b.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-0717037f6b0eea2d.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-b30b1af07795b345.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-b4513439f9e2eff4.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-89c7daf7b6421ee6.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-ca929c3c4a8825b3.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-82a6207a4090808d.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-ae671f6743503b8e.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-081c0dc6465d213d.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-4e1666f139f12757.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-d6789b63313428be.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-eb6f9b960309e6b1.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-cda7cee373864ce1.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d84d0e58f34585a5.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-8c4c4e24ed6290fa.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e8a6a2df7983aa1a.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9686387289eaa322.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-632ae0f28c5e55ff.rlib" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-5b3e30276043b6e7.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/57fe1b734d9ff1c8a92bda60b85506b9648158d3/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/libpaste-e09ad38754ea77ec.so" "-Wl,--gc-sections" "-shared" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: final link failed: No space left on device
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `num-traits` (build script) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `paste` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "012a9f8cb31988d177bac752b765f6560a815740f2d71a3915e553b995012bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "012a9f8cb31988d177bac752b765f6560a815740f2d71a3915e553b995012bd3", kill_on_drop: false }`
[INFO] [stdout] 012a9f8cb31988d177bac752b765f6560a815740f2d71a3915e553b995012bd3
