[INFO] cloning repository https://github.com/SolarLiner/mfc-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SolarLiner/mfc-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolarLiner%2Fmfc-rs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolarLiner%2Fmfc-rs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b881c1af2661bc9e7b166f0e719bafa90c9076fb
[INFO] testing SolarLiner/mfc-rs against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSolarLiner%2Fmfc-rs" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SolarLiner/mfc-rs on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/SolarLiner/mfc-rs
[INFO] finished tweaking git repo https://github.com/SolarLiner/mfc-rs
[INFO] tweaked toml for git repo https://github.com/SolarLiner/mfc-rs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/SolarLiner/mfc-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8a8fd798d36c56f9c2b48632dfc0c61c8c52c40a71a44d249db105bd95540f97
[INFO] running `"docker" "start" "-a" "8a8fd798d36c56f9c2b48632dfc0c61c8c52c40a71a44d249db105bd95540f97"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling smallstr v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling backtrace v0.3.44
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]    Compiling from-pest v0.3.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling terminfo v0.6.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling single v1.0.0
[INFO] [stderr]    Compiling pest-ast v0.3.3
[INFO] [stderr]    Compiling mortal v0.2.1
[INFO] [stderr]    Compiling linefeed v0.6.0
[INFO] [stderr]    Compiling mfc-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `CAst::*`
[INFO] [stderr]    --> src/parse.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 |     use CAst::*;
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Neg`
[INFO] [stderr]   --> src/ast.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Neg,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EUnop`
[INFO] [stderr]   --> src/ast.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     EUnop(Unop, BEAst),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lookup_full`
[INFO] [stderr]   --> src/env.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn lookup_full(&self, x: &str) -> Option<usize> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pop_frame`
[INFO] [stderr]   --> src/env.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub fn pop_frame(&mut self) -> Option<Frame> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_complete`
[INFO] [stderr]   --> src/parse.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn is_complete(input: &str) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `QUnop`
[INFO] [stderr]   --> src/quads.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     QUnop(Unop, String, String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `QSet`
[INFO] [stderr]   --> src/quads.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     QSet(String, String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `QLd`
[INFO] [stderr]   --> src/quads.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     QLd(String, String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `QPop`
[INFO] [stderr]   --> src/quads.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     QPop(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `"docker" "inspect" "8a8fd798d36c56f9c2b48632dfc0c61c8c52c40a71a44d249db105bd95540f97"`
[INFO] running `"docker" "rm" "-f" "8a8fd798d36c56f9c2b48632dfc0c61c8c52c40a71a44d249db105bd95540f97"`
[INFO] [stdout] 8a8fd798d36c56f9c2b48632dfc0c61c8c52c40a71a44d249db105bd95540f97
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 602dbf5f092a031a357cc2cf85c04a8c278f285f1ce27a464d2a1c8416c1a5cb
[INFO] running `"docker" "start" "-a" "602dbf5f092a031a357cc2cf85c04a8c278f285f1ce27a464d2a1c8416c1a5cb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling mfc-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `CAst::*`
[INFO] [stderr]    --> src/parse.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 |     use CAst::*;
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Neg`
[INFO] [stderr]   --> src/ast.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Neg,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EUnop`
[INFO] [stderr]   --> src/ast.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     EUnop(Unop, BEAst),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lookup_full`
[INFO] [stderr]   --> src/env.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn lookup_full(&self, x: &str) -> Option<usize> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pop_frame`
[INFO] [stderr]   --> src/env.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub fn pop_frame(&mut self) -> Option<Frame> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_complete`
[INFO] [stderr]   --> src/parse.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn is_complete(input: &str) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `QUnop`
[INFO] [stderr]   --> src/quads.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     QUnop(Unop, String, String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `QSet`
[INFO] [stderr]   --> src/quads.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     QSet(String, String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `QLd`
[INFO] [stderr]   --> src/quads.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     QLd(String, String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `QPop`
[INFO] [stderr]   --> src/quads.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     QPop(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `"docker" "inspect" "602dbf5f092a031a357cc2cf85c04a8c278f285f1ce27a464d2a1c8416c1a5cb"`
[INFO] running `"docker" "rm" "-f" "602dbf5f092a031a357cc2cf85c04a8c278f285f1ce27a464d2a1c8416c1a5cb"`
[INFO] [stdout] 602dbf5f092a031a357cc2cf85c04a8c278f285f1ce27a464d2a1c8416c1a5cb
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8a87e9e8b17f6af9e2de7f31ff57f9c954731f12091cc13ef9cf3ee75298846c
[INFO] running `"docker" "start" "-a" "8a87e9e8b17f6af9e2de7f31ff57f9c954731f12091cc13ef9cf3ee75298846c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `CAst::*`
[INFO] [stderr]    --> src/parse.rs:152:9
[INFO] [stderr]     |
[INFO] [stderr] 152 |     use CAst::*;
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Neg`
[INFO] [stderr]   --> src/ast.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Neg,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EUnop`
[INFO] [stderr]   --> src/ast.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     EUnop(Unop, BEAst),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `lookup_full`
[INFO] [stderr]   --> src/env.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn lookup_full(&self, x: &str) -> Option<usize> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pop_frame`
[INFO] [stderr]   --> src/env.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub fn pop_frame(&mut self) -> Option<Frame> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_complete`
[INFO] [stderr]   --> src/parse.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn is_complete(input: &str) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `QUnop`
[INFO] [stderr]   --> src/quads.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     QUnop(Unop, String, String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `QSet`
[INFO] [stderr]   --> src/quads.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     QSet(String, String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `QLd`
[INFO] [stderr]   --> src/quads.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     QLd(String, String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `QPop`
[INFO] [stderr]   --> src/quads.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     QPop(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mfc_rs-b3e21b81558153de
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8a87e9e8b17f6af9e2de7f31ff57f9c954731f12091cc13ef9cf3ee75298846c"`
[INFO] running `"docker" "rm" "-f" "8a87e9e8b17f6af9e2de7f31ff57f9c954731f12091cc13ef9cf3ee75298846c"`
[INFO] [stdout] 8a87e9e8b17f6af9e2de7f31ff57f9c954731f12091cc13ef9cf3ee75298846c