[INFO] cloning repository https://github.com/Arnaud-D/tesselz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Arnaud-D/tesselz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArnaud-D%2Ftesselz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArnaud-D%2Ftesselz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa6112e309b82484df0d7370681ffad31c778c10
[INFO] testing Arnaud-D/tesselz against 1.55.0 for beta-1.56-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArnaud-D%2Ftesselz" "/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/Arnaud-D/tesselz on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Arnaud-D/tesselz
[INFO] finished tweaking git repo https://github.com/Arnaud-D/tesselz
[INFO] tweaked toml for git repo https://github.com/Arnaud-D/tesselz written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Arnaud-D/tesselz already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] 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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25a83eefa1295fabc1431716120f36d75486f7c89262be7467bcdc5bd2f1971d
[INFO] running `Command { std: "docker" "start" "-a" "25a83eefa1295fabc1431716120f36d75486f7c89262be7467bcdc5bd2f1971d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25a83eefa1295fabc1431716120f36d75486f7c89262be7467bcdc5bd2f1971d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25a83eefa1295fabc1431716120f36d75486f7c89262be7467bcdc5bd2f1971d", kill_on_drop: false }`
[INFO] [stdout] 25a83eefa1295fabc1431716120f36d75486f7c89262be7467bcdc5bd2f1971d
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49a91908ef4e3aac133b2fcd76a31ac70aabdc0d543138cd196e9c90c9f6edc2
[INFO] running `Command { std: "docker" "start" "-a" "49a91908ef4e3aac133b2fcd76a31ac70aabdc0d543138cd196e9c90c9f6edc2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling lalrpop-util v0.19.1
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.19.1
[INFO] [stderr]    Compiling tesselz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `get_test_program`
[INFO] [stdout]   --> src/exec.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn get_test_program() -> Program {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "49a91908ef4e3aac133b2fcd76a31ac70aabdc0d543138cd196e9c90c9f6edc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49a91908ef4e3aac133b2fcd76a31ac70aabdc0d543138cd196e9c90c9f6edc2", kill_on_drop: false }`
[INFO] [stdout] 49a91908ef4e3aac133b2fcd76a31ac70aabdc0d543138cd196e9c90c9f6edc2
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b22fb49ceab390b11801e012964439b5f98b2cd5d953b99d12de2815a87645c
[INFO] running `Command { std: "docker" "start" "-a" "4b22fb49ceab390b11801e012964439b5f98b2cd5d953b99d12de2815a87645c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tesselz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `get_test_program`
[INFO] [stdout]   --> src/exec.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn get_test_program() -> Program {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.87s
[INFO] running `Command { std: "docker" "inspect" "4b22fb49ceab390b11801e012964439b5f98b2cd5d953b99d12de2815a87645c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b22fb49ceab390b11801e012964439b5f98b2cd5d953b99d12de2815a87645c", kill_on_drop: false }`
[INFO] [stdout] 4b22fb49ceab390b11801e012964439b5f98b2cd5d953b99d12de2815a87645c
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 321b097c2c2f4ae487ee988a01fa8a0dafa55dd80492c118295ac02417665e7a
[INFO] running `Command { std: "docker" "start" "-a" "321b097c2c2f4ae487ee988a01fa8a0dafa55dd80492c118295ac02417665e7a", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `get_test_program`
[INFO] [stderr]   --> src/exec.rs:79:8
[INFO] [stderr]    |
[INFO] [stderr] 79 | pub fn get_test_program() -> Program {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tesselz` (bin "tesselz" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tesselz-a87727050003c823)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test parser1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.79s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "321b097c2c2f4ae487ee988a01fa8a0dafa55dd80492c118295ac02417665e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "321b097c2c2f4ae487ee988a01fa8a0dafa55dd80492c118295ac02417665e7a", kill_on_drop: false }`
[INFO] [stdout] 321b097c2c2f4ae487ee988a01fa8a0dafa55dd80492c118295ac02417665e7a