[INFO] fetching crate b2sum 0.3.0...
[INFO] checking b2sum-0.3.0 against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180
[INFO] extracting crate b2sum 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate b2sum 0.3.0 on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate b2sum 0.3.0
[INFO] finished tweaking crates.io crate b2sum 0.3.0
[INFO] tweaked toml for crates.io crate b2sum 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e303a71ad17b606fc93cce7c166c40482bcb220586f4c32cc530bc09270da51a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e303a71ad17b606fc93cce7c166c40482bcb220586f4c32cc530bc09270da51a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e303a71ad17b606fc93cce7c166c40482bcb220586f4c32cc530bc09270da51a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e303a71ad17b606fc93cce7c166c40482bcb220586f4c32cc530bc09270da51a", kill_on_drop: false }`
[INFO] [stdout] e303a71ad17b606fc93cce7c166c40482bcb220586f4c32cc530bc09270da51a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edb285ed5de5bf4eaf1d456ac0fe5def66f3049fcff96601b0723d2483908c89
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "edb285ed5de5bf4eaf1d456ac0fe5def66f3049fcff96601b0723d2483908c89", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking b2sum v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.32s
[INFO] running `Command { std: "docker" "inspect" "edb285ed5de5bf4eaf1d456ac0fe5def66f3049fcff96601b0723d2483908c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edb285ed5de5bf4eaf1d456ac0fe5def66f3049fcff96601b0723d2483908c89", kill_on_drop: false }`
[INFO] [stdout] edb285ed5de5bf4eaf1d456ac0fe5def66f3049fcff96601b0723d2483908c89