[INFO] cloning repository https://github.com/axel-kaliff/brainfuck_interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/axel-kaliff/brainfuck_interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxel-kaliff%2Fbrainfuck_interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxel-kaliff%2Fbrainfuck_interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5ac669021e53a463c015c479ba5b62f3d276dce6
[INFO] testing axel-kaliff/brainfuck_interpreter against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faxel-kaliff%2Fbrainfuck_interpreter" "/workspace/builds/worker-115/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-115/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/axel-kaliff/brainfuck_interpreter on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/axel-kaliff/brainfuck_interpreter
[INFO] finished tweaking git repo https://github.com/axel-kaliff/brainfuck_interpreter
[INFO] tweaked toml for git repo https://github.com/axel-kaliff/brainfuck_interpreter written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] crate git repo https://github.com/axel-kaliff/brainfuck_interpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38584d2619355b236b9d792b0973fa2e1357207dd2134c63d1164bf38d6163af
[INFO] running `Command { std: "docker" "start" "-a" "38584d2619355b236b9d792b0973fa2e1357207dd2134c63d1164bf38d6163af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38584d2619355b236b9d792b0973fa2e1357207dd2134c63d1164bf38d6163af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38584d2619355b236b9d792b0973fa2e1357207dd2134c63d1164bf38d6163af", kill_on_drop: false }`
[INFO] [stdout] 38584d2619355b236b9d792b0973fa2e1357207dd2134c63d1164bf38d6163af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1488cfa1172a0dffcadf2293caced3fd7f16954ee916196cc9655dc729ca6a08
[INFO] running `Command { std: "docker" "start" "-a" "1488cfa1172a0dffcadf2293caced3fd7f16954ee916196cc9655dc729ca6a08", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `test_interpreter`
[INFO] [stdout]  --> src/lib.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn test_interpreter(source: &str) -> String {
[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 16.45s
[INFO] running `Command { std: "docker" "inspect" "1488cfa1172a0dffcadf2293caced3fd7f16954ee916196cc9655dc729ca6a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1488cfa1172a0dffcadf2293caced3fd7f16954ee916196cc9655dc729ca6a08", kill_on_drop: false }`
[INFO] [stdout] 1488cfa1172a0dffcadf2293caced3fd7f16954ee916196cc9655dc729ca6a08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c3228c8884662594ac3123af15fd79a86863da9401f69bb0b64265f1f274742
[INFO] running `Command { std: "docker" "start" "-a" "9c3228c8884662594ac3123af15fd79a86863da9401f69bb0b64265f1f274742", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stdout] warning: function is never used: `test_interpreter`
[INFO] [stdout]  --> src/lib.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn test_interpreter(source: &str) -> String {
[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]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling crossbeam-queue v0.2.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.42
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling rand_os v0.2.2
[INFO] [stderr]    Compiling rand_xoshiro v0.3.1
[INFO] [stderr]    Compiling criterion-plot v0.4.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling tinytemplate v1.0.2
[INFO] [stderr]    Compiling rayon v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling criterion v0.3.0
[INFO] [stderr]    Compiling interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `test_interpreter`
[INFO] [stdout]  --> src/lib.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn test_interpreter(source: &str) -> String {
[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 55.62s
[INFO] running `Command { std: "docker" "inspect" "9c3228c8884662594ac3123af15fd79a86863da9401f69bb0b64265f1f274742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c3228c8884662594ac3123af15fd79a86863da9401f69bb0b64265f1f274742", kill_on_drop: false }`
[INFO] [stdout] 9c3228c8884662594ac3123af15fd79a86863da9401f69bb0b64265f1f274742
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cd7983b197d6580e3ef2a77b4e80bf774de01a58d8b287bd35832c67f1f33a17
[INFO] running `Command { std: "docker" "start" "-a" "cd7983b197d6580e3ef2a77b4e80bf774de01a58d8b287bd35832c67f1f33a17", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `test_interpreter`
[INFO] [stderr]  --> src/lib.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn test_interpreter(source: &str) -> String {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `interpreter` (lib) generated 1 warning
[INFO] [stderr] warning: `interpreter` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/interpreter-0f323426c873ccda)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/interpreter-ff4d2b5afddee86d)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests interpreter
[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] [stdout] 
[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] [stdout] 
[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" "cd7983b197d6580e3ef2a77b4e80bf774de01a58d8b287bd35832c67f1f33a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd7983b197d6580e3ef2a77b4e80bf774de01a58d8b287bd35832c67f1f33a17", kill_on_drop: false }`
[INFO] [stdout] cd7983b197d6580e3ef2a77b4e80bf774de01a58d8b287bd35832c67f1f33a17