[INFO] fetching crate cepler 0.7.8...
[INFO] testing cepler-0.7.8 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate cepler 0.7.8 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate cepler 0.7.8 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cepler 0.7.8
[INFO] finished tweaking crates.io crate cepler 0.7.8
[INFO] tweaked toml for crates.io crate cepler 0.7.8 written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] crate crates.io crate cepler 0.7.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51318405a6ca6fe6f7c6108afbdc5db8c719739e1f4a080d229f8b56e6b91048
[INFO] running `Command { std: "docker" "start" "-a" "51318405a6ca6fe6f7c6108afbdc5db8c719739e1f4a080d229f8b56e6b91048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51318405a6ca6fe6f7c6108afbdc5db8c719739e1f4a080d229f8b56e6b91048", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51318405a6ca6fe6f7c6108afbdc5db8c719739e1f4a080d229f8b56e6b91048", kill_on_drop: false }`
[INFO] [stdout] 51318405a6ca6fe6f7c6108afbdc5db8c719739e1f4a080d229f8b56e6b91048
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f63543764d3f9b856437e65180577fe4da1f91d2bf26b14062b6e3eb44788477
[INFO] running `Command { std: "docker" "start" "-a" "f63543764d3f9b856437e65180577fe4da1f91d2bf26b14062b6e3eb44788477", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling tinyvec v1.4.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling openssl-src v111.16.0+1.1.1l
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling libgit2-sys v0.12.23+1.2.0
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling serde_yaml v0.8.21
[INFO] [stderr]    Compiling git2 v0.13.22
[INFO] [stderr]    Compiling cepler v0.7.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "f63543764d3f9b856437e65180577fe4da1f91d2bf26b14062b6e3eb44788477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f63543764d3f9b856437e65180577fe4da1f91d2bf26b14062b6e3eb44788477", kill_on_drop: false }`
[INFO] [stdout] f63543764d3f9b856437e65180577fe4da1f91d2bf26b14062b6e3eb44788477
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8253b8ce1376f7a5ea91456a7226283e0e955e5e07af9f12a179edbd20da493e
[INFO] running `Command { std: "docker" "start" "-a" "8253b8ce1376f7a5ea91456a7226283e0e955e5e07af9f12a179edbd20da493e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stringreader v0.1.1
[INFO] [stderr]    Compiling cepler v0.7.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.82s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/cepler-e62511e992baa5ec)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/cepler-96182c9533ae8d67)
[INFO] running `Command { std: "docker" "inspect" "8253b8ce1376f7a5ea91456a7226283e0e955e5e07af9f12a179edbd20da493e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8253b8ce1376f7a5ea91456a7226283e0e955e5e07af9f12a179edbd20da493e", kill_on_drop: false }`
[INFO] [stdout] 8253b8ce1376f7a5ea91456a7226283e0e955e5e07af9f12a179edbd20da493e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 13a41e853b92e2b32c68e4190e3b8b760d845b51648f4463173aa1b2911e0f46
[INFO] running `Command { std: "docker" "start" "-a" "13a41e853b92e2b32c68e4190e3b8b760d845b51648f4463173aa1b2911e0f46", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cepler-e62511e992baa5ec)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test config::test::deserialize_config ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cepler-96182c9533ae8d67)
[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] [stderr]    Doc-tests cepler
[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" "13a41e853b92e2b32c68e4190e3b8b760d845b51648f4463173aa1b2911e0f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13a41e853b92e2b32c68e4190e3b8b760d845b51648f4463173aa1b2911e0f46", kill_on_drop: false }`
[INFO] [stdout] 13a41e853b92e2b32c68e4190e3b8b760d845b51648f4463173aa1b2911e0f46