[INFO] fetching crate railway 0.3.3...
[INFO] testing railway-0.3.3 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate railway 0.3.3 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate railway 0.3.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate railway 0.3.3
[INFO] tweaked toml for crates.io crate railway 0.3.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate railway 0.3.3 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 railway 0.3.3 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wizdraw v1.2.1
[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] 55aeeded7953df69bd3b4969d35482b83cbf632fc0d5258bd91db21fe2b3929e
[INFO] running `Command { std: "docker" "start" "-a" "55aeeded7953df69bd3b4969d35482b83cbf632fc0d5258bd91db21fe2b3929e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55aeeded7953df69bd3b4969d35482b83cbf632fc0d5258bd91db21fe2b3929e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55aeeded7953df69bd3b4969d35482b83cbf632fc0d5258bd91db21fe2b3929e", kill_on_drop: false }`
[INFO] [stdout] 55aeeded7953df69bd3b4969d35482b83cbf632fc0d5258bd91db21fe2b3929e
[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] fc56976ec02ec8cc3a0c9f106a121675cc55307be1571a51b309c6b66252542a
[INFO] running `Command { std: "docker" "start" "-a" "fc56976ec02ec8cc3a0c9f106a121675cc55307be1571a51b309c6b66252542a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling bytemuck v1.13.1
[INFO] [stderr]    Compiling rgb v0.8.36
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling vek v0.15.10
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling wizdraw v1.2.1
[INFO] [stderr]    Compiling railway v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.91s
[INFO] running `Command { std: "docker" "inspect" "fc56976ec02ec8cc3a0c9f106a121675cc55307be1571a51b309c6b66252542a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc56976ec02ec8cc3a0c9f106a121675cc55307be1571a51b309c6b66252542a", kill_on_drop: false }`
[INFO] [stdout] fc56976ec02ec8cc3a0c9f106a121675cc55307be1571a51b309c6b66252542a
[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] 0f597c349335286eb9343c91ef2eae56a794b4ed040eacf4ae5df8b407c794a4
[INFO] running `Command { std: "docker" "start" "-a" "0f597c349335286eb9343c91ef2eae56a794b4ed040eacf4ae5df8b407c794a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling simd-adler32 v0.3.5
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling fdeflate v0.3.0
[INFO] [stderr]    Compiling flate2 v1.0.26
[INFO] [stderr]    Compiling png v0.17.8
[INFO] [stderr]    Compiling railway v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.31s
[INFO] running `Command { std: "docker" "inspect" "0f597c349335286eb9343c91ef2eae56a794b4ed040eacf4ae5df8b407c794a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f597c349335286eb9343c91ef2eae56a794b4ed040eacf4ae5df8b407c794a4", kill_on_drop: false }`
[INFO] [stdout] 0f597c349335286eb9343c91ef2eae56a794b4ed040eacf4ae5df8b407c794a4
[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] ed422629e1a8cbc7ecc8d48e10cc4b308fcfda879a4e6a2660032078c1e50bf5
[INFO] running `Command { std: "docker" "start" "-a" "ed422629e1a8cbc7ecc8d48e10cc4b308fcfda879a4e6a2660032078c1e50bf5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/railway-452f4b7ce5cde683)
[INFO] [stderr]    Doc-tests railway
[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" "ed422629e1a8cbc7ecc8d48e10cc4b308fcfda879a4e6a2660032078c1e50bf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed422629e1a8cbc7ecc8d48e10cc4b308fcfda879a4e6a2660032078c1e50bf5", kill_on_drop: false }`
[INFO] [stdout] ed422629e1a8cbc7ecc8d48e10cc4b308fcfda879a4e6a2660032078c1e50bf5