[INFO] fetching crate naive_json_io 0.1.0...
[INFO] testing naive_json_io-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate naive_json_io 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate naive_json_io 0.1.0
[INFO] finished tweaking crates.io crate naive_json_io 0.1.0
[INFO] tweaked toml for crates.io crate naive_json_io 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate naive_json_io 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 naive_json_io 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] b0cd577aeed45d78fe0cf481be1e671bdca366a03aa9f2fc74e005cc7425ebe3
[INFO] running `Command { std: "docker" "start" "-a" "b0cd577aeed45d78fe0cf481be1e671bdca366a03aa9f2fc74e005cc7425ebe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0cd577aeed45d78fe0cf481be1e671bdca366a03aa9f2fc74e005cc7425ebe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0cd577aeed45d78fe0cf481be1e671bdca366a03aa9f2fc74e005cc7425ebe3", kill_on_drop: false }`
[INFO] [stdout] b0cd577aeed45d78fe0cf481be1e671bdca366a03aa9f2fc74e005cc7425ebe3
[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] 5d83f405b1117f4779c031b2eff63e469c3abd2f1b64bd6abcee4a5156fa605c
[INFO] running `Command { std: "docker" "start" "-a" "5d83f405b1117f4779c031b2eff63e469c3abd2f1b64bd6abcee4a5156fa605c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]    Compiling serde_derive v1.0.140
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling naive_json_io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.86s
[INFO] running `Command { std: "docker" "inspect" "5d83f405b1117f4779c031b2eff63e469c3abd2f1b64bd6abcee4a5156fa605c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d83f405b1117f4779c031b2eff63e469c3abd2f1b64bd6abcee4a5156fa605c", kill_on_drop: false }`
[INFO] [stdout] 5d83f405b1117f4779c031b2eff63e469c3abd2f1b64bd6abcee4a5156fa605c
[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] 4cbece8cbac651b863e3ea49e9e5ebca7780f8d0bbeaf35ff13aabf797186ab0
[INFO] running `Command { std: "docker" "start" "-a" "4cbece8cbac651b863e3ea49e9e5ebca7780f8d0bbeaf35ff13aabf797186ab0", kill_on_drop: false }`
[INFO] [stderr]    Compiling naive_json_io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "4cbece8cbac651b863e3ea49e9e5ebca7780f8d0bbeaf35ff13aabf797186ab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cbece8cbac651b863e3ea49e9e5ebca7780f8d0bbeaf35ff13aabf797186ab0", kill_on_drop: false }`
[INFO] [stdout] 4cbece8cbac651b863e3ea49e9e5ebca7780f8d0bbeaf35ff13aabf797186ab0
[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] c96d3e15a69bc6b4d1bc0bedc8195d17e4a20cc3803d5204036de54b02bd490c
[INFO] running `Command { std: "docker" "start" "-a" "c96d3e15a69bc6b4d1bc0bedc8195d17e4a20cc3803d5204036de54b02bd490c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/naive_json_io-c4c057907430fbf1)
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_save_and_load_a ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests naive_json_io
[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" "c96d3e15a69bc6b4d1bc0bedc8195d17e4a20cc3803d5204036de54b02bd490c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c96d3e15a69bc6b4d1bc0bedc8195d17e4a20cc3803d5204036de54b02bd490c", kill_on_drop: false }`
[INFO] [stdout] c96d3e15a69bc6b4d1bc0bedc8195d17e4a20cc3803d5204036de54b02bd490c