[INFO] fetching crate rust_book14 0.1.0...
[INFO] testing rust_book14-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate rust_book14 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate rust_book14 0.1.0
[INFO] finished tweaking crates.io crate rust_book14 0.1.0
[INFO] tweaked toml for crates.io crate rust_book14 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_book14 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust_book14 0.1.0 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37416eeb37210514c6f5467622365a8f538d463f0926655a34b39606ddf6a0e0
[INFO] running `Command { std: "docker" "start" "-a" "37416eeb37210514c6f5467622365a8f538d463f0926655a34b39606ddf6a0e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37416eeb37210514c6f5467622365a8f538d463f0926655a34b39606ddf6a0e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37416eeb37210514c6f5467622365a8f538d463f0926655a34b39606ddf6a0e0", kill_on_drop: false }`
[INFO] [stdout] 37416eeb37210514c6f5467622365a8f538d463f0926655a34b39606ddf6a0e0
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a110d47ba71fc3e99c707c5e6074416cf1f999f4d6bbe2bb0b992fa377b218b9
[INFO] running `Command { std: "docker" "start" "-a" "a110d47ba71fc3e99c707c5e6074416cf1f999f4d6bbe2bb0b992fa377b218b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_book14 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "a110d47ba71fc3e99c707c5e6074416cf1f999f4d6bbe2bb0b992fa377b218b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a110d47ba71fc3e99c707c5e6074416cf1f999f4d6bbe2bb0b992fa377b218b9", kill_on_drop: false }`
[INFO] [stdout] a110d47ba71fc3e99c707c5e6074416cf1f999f4d6bbe2bb0b992fa377b218b9
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e37c1910af8aeda24edb10170599e6698c4198fed571cdfa3ea222e40fcc54e
[INFO] running `Command { std: "docker" "start" "-a" "8e37c1910af8aeda24edb10170599e6698c4198fed571cdfa3ea222e40fcc54e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_book14 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "8e37c1910af8aeda24edb10170599e6698c4198fed571cdfa3ea222e40fcc54e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e37c1910af8aeda24edb10170599e6698c4198fed571cdfa3ea222e40fcc54e", kill_on_drop: false }`
[INFO] [stdout] 8e37c1910af8aeda24edb10170599e6698c4198fed571cdfa3ea222e40fcc54e
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 22424eb654f16a09c1bb46989fd70aece2ea40fe592afba6ddd7825234e8434a
[INFO] running `Command { std: "docker" "start" "-a" "22424eb654f16a09c1bb46989fd70aece2ea40fe592afba6ddd7825234e8434a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_book14-4106090f723bb7b7)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_book14-e8beb807209c5273)
[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] [stderr]    Doc-tests rust_book14
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - get_first_or (line 57) ... ok
[INFO] [stdout] test src/lib.rs - slices::get_first_or_else (line 12) ... ok
[INFO] [stdout] test src/lib.rs - get_first_or_else (line 35) ... ok
[INFO] [stdout] test src/lib.rs - get_first_or_error (line 86) ... ok
[INFO] [stdout] test src/lib.rs - get_first_or_panic (line 112) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "22424eb654f16a09c1bb46989fd70aece2ea40fe592afba6ddd7825234e8434a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22424eb654f16a09c1bb46989fd70aece2ea40fe592afba6ddd7825234e8434a", kill_on_drop: false }`
[INFO] [stdout] 22424eb654f16a09c1bb46989fd70aece2ea40fe592afba6ddd7825234e8434a