[INFO] fetching crate zifu 0.2.1...
[INFO] testing zifu-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate zifu 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate zifu 0.2.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zifu 0.2.1
[INFO] finished tweaking crates.io crate zifu 0.2.1
[INFO] tweaked toml for crates.io crate zifu 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate zifu 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aaea99ec09439a952704e05aca9a3d18084d0003376851007719d25973edae63
[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" "aaea99ec09439a952704e05aca9a3d18084d0003376851007719d25973edae63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaea99ec09439a952704e05aca9a3d18084d0003376851007719d25973edae63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaea99ec09439a952704e05aca9a3d18084d0003376851007719d25973edae63", kill_on_drop: false }`
[INFO] [stdout] aaea99ec09439a952704e05aca9a3d18084d0003376851007719d25973edae63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5643713e00889f6dc6e2893f08a7f00936887473e6beeb10c6850afbf916ebf0
[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" "5643713e00889f6dc6e2893f08a7f00936887473e6beeb10c6850afbf916ebf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling hashbrown v0.9.0
[INFO] [stderr]    Compiling os_str_bytes v2.3.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling bytesize v1.0.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling const-random v0.1.8
[INFO] [stderr]    Compiling ahash v0.4.5
[INFO] [stderr]    Compiling codepage v0.1.1
[INFO] [stderr]    Compiling oem_cp v0.2.0
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling locale_name_code_page v0.1.0
[INFO] [stderr]    Compiling locale_config v0.3.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling hfs_nfd v1.1.0
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling zifu v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "5643713e00889f6dc6e2893f08a7f00936887473e6beeb10c6850afbf916ebf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5643713e00889f6dc6e2893f08a7f00936887473e6beeb10c6850afbf916ebf0", kill_on_drop: false }`
[INFO] [stdout] 5643713e00889f6dc6e2893f08a7f00936887473e6beeb10c6850afbf916ebf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34c7540ada389a59422333d112b698e2b31759d999c5021e89a228bfbd66ad91
[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" "34c7540ada389a59422333d112b698e2b31759d999c5021e89a228bfbd66ad91", kill_on_drop: false }`
[INFO] [stderr]    Compiling zifu v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "34c7540ada389a59422333d112b698e2b31759d999c5021e89a228bfbd66ad91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34c7540ada389a59422333d112b698e2b31759d999c5021e89a228bfbd66ad91", kill_on_drop: false }`
[INFO] [stdout] 34c7540ada389a59422333d112b698e2b31759d999c5021e89a228bfbd66ad91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0cf6e8855f6ee0fb0b32dc35869cffb4d1ec34e2bbaf109e53bbe3d39519c2a4
[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" "0cf6e8855f6ee0fb0b32dc35869cffb4d1ec34e2bbaf109e53bbe3d39519c2a4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zifu-28c2cd37e5d8eb9c
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0cf6e8855f6ee0fb0b32dc35869cffb4d1ec34e2bbaf109e53bbe3d39519c2a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cf6e8855f6ee0fb0b32dc35869cffb4d1ec34e2bbaf109e53bbe3d39519c2a4", kill_on_drop: false }`
[INFO] [stdout] 0cf6e8855f6ee0fb0b32dc35869cffb4d1ec34e2bbaf109e53bbe3d39519c2a4