[INFO] fetching crate enc 0.12.0...
[INFO] testing enc-0.12.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate enc 0.12.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate enc 0.12.0
[INFO] finished tweaking crates.io crate enc 0.12.0
[INFO] tweaked toml for crates.io crate enc 0.12.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate enc 0.12.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate enc 0.12.0 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d85acf78fa9c7795827d124f2e06fe79f46a725b8ba84c835d07edcb2aff9a5
[INFO] running `Command { std: "docker" "start" "-a" "3d85acf78fa9c7795827d124f2e06fe79f46a725b8ba84c835d07edcb2aff9a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d85acf78fa9c7795827d124f2e06fe79f46a725b8ba84c835d07edcb2aff9a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d85acf78fa9c7795827d124f2e06fe79f46a725b8ba84c835d07edcb2aff9a5", kill_on_drop: false }`
[INFO] [stdout] 3d85acf78fa9c7795827d124f2e06fe79f46a725b8ba84c835d07edcb2aff9a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5dbc8b83ab52a0aaa6726521fd6743a0a75fcc3b0016f33a8de2bfbf0a5960b
[INFO] running `Command { std: "docker" "start" "-a" "d5dbc8b83ab52a0aaa6726521fd6743a0a75fcc3b0016f33a8de2bfbf0a5960b", kill_on_drop: false }`
[INFO] [stderr]    Compiling enc v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "d5dbc8b83ab52a0aaa6726521fd6743a0a75fcc3b0016f33a8de2bfbf0a5960b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5dbc8b83ab52a0aaa6726521fd6743a0a75fcc3b0016f33a8de2bfbf0a5960b", kill_on_drop: false }`
[INFO] [stdout] d5dbc8b83ab52a0aaa6726521fd6743a0a75fcc3b0016f33a8de2bfbf0a5960b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b396f42a841dd0c0a8a0d6ff80a1fd9489b980fefcfe0e4979b2d26dabe8547
[INFO] running `Command { std: "docker" "start" "-a" "3b396f42a841dd0c0a8a0d6ff80a1fd9489b980fefcfe0e4979b2d26dabe8547", kill_on_drop: false }`
[INFO] [stderr]    Compiling enc v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "3b396f42a841dd0c0a8a0d6ff80a1fd9489b980fefcfe0e4979b2d26dabe8547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b396f42a841dd0c0a8a0d6ff80a1fd9489b980fefcfe0e4979b2d26dabe8547", kill_on_drop: false }`
[INFO] [stdout] 3b396f42a841dd0c0a8a0d6ff80a1fd9489b980fefcfe0e4979b2d26dabe8547
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c766dfb02e7c9ae7634086e1d109acb4f0dd769145a1c60f4f6276e3f8789642
[INFO] running `Command { std: "docker" "start" "-a" "c766dfb02e7c9ae7634086e1d109acb4f0dd769145a1c60f4f6276e3f8789642", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/enc-9cd6fc4b4814627e)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test util::read::tests::fn_read_optional_byte ... ok
[INFO] [stdout] test util::read::tests::fn_read_single_byte ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests enc
[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" "c766dfb02e7c9ae7634086e1d109acb4f0dd769145a1c60f4f6276e3f8789642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c766dfb02e7c9ae7634086e1d109acb4f0dd769145a1c60f4f6276e3f8789642", kill_on_drop: false }`
[INFO] [stdout] c766dfb02e7c9ae7634086e1d109acb4f0dd769145a1c60f4f6276e3f8789642