[INFO] cloning repository https://github.com/13dev/rust-ldb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/13dev/rust-ldb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F13dev%2Frust-ldb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F13dev%2Frust-ldb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6365713e1b3337079dc6ba8bcd942c8a6119017
[INFO] testing 13dev/rust-ldb against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F13dev%2Frust-ldb" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/13dev/rust-ldb on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/13dev/rust-ldb
[INFO] finished tweaking git repo https://github.com/13dev/rust-ldb
[INFO] tweaked toml for git repo https://github.com/13dev/rust-ldb written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/13dev/rust-ldb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded rand_pcg v0.2.1
[INFO] [stderr]   Downloaded vec_map v0.8.2
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[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded clap v2.33.3
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[INFO] [stderr]   Downloaded smallstr v0.2.0
[INFO] [stderr]   Downloaded mortal v0.2.2
[INFO] [stderr]   Downloaded phf_generator v0.8.0
[INFO] [stderr]   Downloaded blake2b_simd v0.5.11
[INFO] [stderr]   Downloaded terminfo v0.7.3
[INFO] [stderr]   Downloaded redox_users v0.3.5
[INFO] [stderr]   Downloaded nom v5.1.2
[INFO] [stderr]   Downloaded constant_time_eq v0.1.5
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[INFO] [stderr]   Downloaded strsim v0.8.0
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[INFO] [stderr]   Downloaded rust-argon2 v0.8.3
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[INFO] [stderr]   Downloaded phf_codegen v0.8.0
[INFO] [stderr]   Downloaded phf_shared v0.8.0
[INFO] [stderr]   Downloaded unicode-normalization v0.1.17
[INFO] [stderr]   Downloaded linefeed v0.6.0
[INFO] [stderr]   Downloaded nix v0.17.0
[INFO] [stderr]   Downloaded dirs v2.0.2
[INFO] [stderr]   Downloaded strum_macros v0.20.1
[INFO] [stderr]   Downloaded siphasher v0.3.3
[INFO] [stderr]   Downloaded phf v0.8.0
[INFO] [stderr]   Downloaded syn v1.0.62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f5854e0fbdecd9456f139150cef9caf3a2bcc08bff9938e527b3a27a1f9024d
[INFO] running `Command { std: "docker" "start" "-a" "2f5854e0fbdecd9456f139150cef9caf3a2bcc08bff9938e527b3a27a1f9024d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f5854e0fbdecd9456f139150cef9caf3a2bcc08bff9938e527b3a27a1f9024d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f5854e0fbdecd9456f139150cef9caf3a2bcc08bff9938e527b3a27a1f9024d", kill_on_drop: false }`
[INFO] [stdout] 2f5854e0fbdecd9456f139150cef9caf3a2bcc08bff9938e527b3a27a1f9024d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b46be103b131dfe355ffbe94fa8a87d8b1d9e1d8bf1afd5c1355b9d344576b5f
[INFO] running `Command { std: "docker" "start" "-a" "b46be103b131dfe355ffbe94fa8a87d8b1d9e1d8bf1afd5c1355b9d344576b5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling syn v1.0.62
[INFO] [stderr]    Compiling strum v0.20.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling tinyvec v1.1.1
[INFO] [stderr]    Compiling smallstr v0.2.0
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling terminfo v0.7.3
[INFO] [stderr]    Compiling strum_macros v0.20.1
[INFO] [stderr]    Compiling mortal v0.2.2
[INFO] [stderr]    Compiling linefeed v0.6.0
[INFO] [stderr]    Compiling rust-ldb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Arg`, `SubCommand`
[INFO] [stdout]  --> src/main.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use clap::{Arg, App, SubCommand};
[INFO] [stdout]   |            ^^^       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DefaultTerminal`, `Interface`
[INFO] [stdout]  --> src/main.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use linefeed::{Interface, ReadResult, DefaultTerminal};
[INFO] [stdout]   |                ^^^^^^^^^              ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `args`
[INFO] [stdout]   --> src/lexer/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     args: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `process_input`
[INFO] [stdout]   --> src/lexer/mod.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn process_input(&self, input: &String) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.97s
[INFO] running `Command { std: "docker" "inspect" "b46be103b131dfe355ffbe94fa8a87d8b1d9e1d8bf1afd5c1355b9d344576b5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b46be103b131dfe355ffbe94fa8a87d8b1d9e1d8bf1afd5c1355b9d344576b5f", kill_on_drop: false }`
[INFO] [stdout] b46be103b131dfe355ffbe94fa8a87d8b1d9e1d8bf1afd5c1355b9d344576b5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94ad25ee14ecd31b37e9a10fdfde793b8eb9d496f73722d2cd8d553f79a4f46a
[INFO] running `Command { std: "docker" "start" "-a" "94ad25ee14ecd31b37e9a10fdfde793b8eb9d496f73722d2cd8d553f79a4f46a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-ldb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Arg`, `SubCommand`
[INFO] [stdout]  --> src/main.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use clap::{Arg, App, SubCommand};
[INFO] [stdout]   |            ^^^       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DefaultTerminal`, `Interface`
[INFO] [stdout]  --> src/main.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use linefeed::{Interface, ReadResult, DefaultTerminal};
[INFO] [stdout]   |                ^^^^^^^^^              ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `args`
[INFO] [stdout]   --> src/lexer/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     args: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `process_input`
[INFO] [stdout]   --> src/lexer/mod.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn process_input(&self, input: &String) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "94ad25ee14ecd31b37e9a10fdfde793b8eb9d496f73722d2cd8d553f79a4f46a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94ad25ee14ecd31b37e9a10fdfde793b8eb9d496f73722d2cd8d553f79a4f46a", kill_on_drop: false }`
[INFO] [stdout] 94ad25ee14ecd31b37e9a10fdfde793b8eb9d496f73722d2cd8d553f79a4f46a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 636e05abf89d12c0e3abd6b853937b2abe7cb5c1baff086d9a627095575971a3
[INFO] running `Command { std: "docker" "start" "-a" "636e05abf89d12c0e3abd6b853937b2abe7cb5c1baff086d9a627095575971a3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused imports: `Arg`, `SubCommand`
[INFO] [stderr]  --> src/main.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | use clap::{Arg, App, SubCommand};
[INFO] [stderr]   |            ^^^       ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DefaultTerminal`, `Interface`
[INFO] [stderr]  --> src/main.rs:6:16
[INFO] [stderr]   |
[INFO] [stderr] 6 | use linefeed::{Interface, ReadResult, DefaultTerminal};
[INFO] [stderr]   |                ^^^^^^^^^              ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `args`
[INFO] [stderr]   --> src/lexer/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     args: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `process_input`
[INFO] [stderr]   --> src/lexer/mod.rs:40:8
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn process_input(&self, input: &String) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.17s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_ldb-b8ced454f6ce8a15)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "636e05abf89d12c0e3abd6b853937b2abe7cb5c1baff086d9a627095575971a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "636e05abf89d12c0e3abd6b853937b2abe7cb5c1baff086d9a627095575971a3", kill_on_drop: false }`
[INFO] [stdout] 636e05abf89d12c0e3abd6b853937b2abe7cb5c1baff086d9a627095575971a3