[INFO] fetching crate modus 0.1.1...
[INFO] testing modus-0.1.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate modus 0.1.1 into /workspace/builds/worker-26/source
[INFO] validating manifest of crates.io crate modus 0.1.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate modus 0.1.1
[INFO] finished tweaking crates.io crate modus 0.1.1
[INFO] tweaked toml for crates.io crate modus 0.1.1 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate crates.io crate modus 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d5d06ebfe9ea65006714b83fce32643edede4256efe8850d048d392688a30df
[INFO] running `Command { std: "docker" "start" "-a" "2d5d06ebfe9ea65006714b83fce32643edede4256efe8850d048d392688a30df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d5d06ebfe9ea65006714b83fce32643edede4256efe8850d048d392688a30df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d5d06ebfe9ea65006714b83fce32643edede4256efe8850d048d392688a30df", kill_on_drop: false }`
[INFO] [stdout] 2d5d06ebfe9ea65006714b83fce32643edede4256efe8850d048d392688a30df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fd16b4a92ec2fa9125dce4d9bce58b5485dbf9738d2be94e5dfa2bf09f63fd8
[INFO] running `Command { std: "docker" "start" "-a" "7fd16b4a92ec2fa9125dce4d9bce58b5485dbf9738d2be94e5dfa2bf09f63fd8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.119
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[INFO] [stderr]    Compiling pin-utils v0.1.0
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[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde v1.0.136
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[INFO] [stderr]    Compiling ordered-float v2.10.0
[INFO] [stderr]    Compiling tracing-core v0.1.22
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling http v0.2.6
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling tint v1.0.1
[INFO] [stderr]    Compiling nom v7.1.0
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[INFO] [stderr]    Compiling object v0.27.1
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[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling colored v2.0.0
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[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.8.5
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[INFO] [stderr]    Compiling regex v1.5.4
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[INFO] [stderr]    Compiling nom_locate v4.0.0
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tracing-attributes v0.1.19
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling async-stream v0.2.1
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling tracing v0.1.31
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling pin-project v0.4.29
[INFO] [stderr]    Compiling spawn-wait v0.2.2
[INFO] [stderr]    Compiling tower-discover v0.3.0
[INFO] [stderr]    Compiling tower-load-shed v0.3.0
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling tower-load v0.3.0
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tower-timeout v0.3.0
[INFO] [stderr]    Compiling tower-make v0.3.0
[INFO] [stderr]    Compiling tower-retry v0.3.0
[INFO] [stderr]    Compiling tower-buffer v0.3.0
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling tower-limit v0.3.1
[INFO] [stderr]    Compiling tower-util v0.3.1
[INFO] [stderr]    Compiling tower-ready-cache v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling tonic-build v0.1.1
[INFO] [stderr]    Compiling tower-balance v0.3.0
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling tower v0.3.1
[INFO] [stderr]    Compiling buildkit-proto v0.2.0
[INFO] [stderr]    Compiling serde-value v0.7.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling ptree v0.4.0
[INFO] [stderr]    Compiling modus-lib v0.1.1
[INFO] [stderr]    Compiling modus v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling hyper v0.13.10
[INFO] [stderr]    Compiling tonic v0.1.1
[INFO] [stderr]    Compiling buildkit-llb v0.2.0
[INFO] [stderr]    Compiling buildkit-frontend v0.3.0
[INFO] [stdout] warning: constant is never used: `TMP_PREFIX_IGNORE_PATTERN`
[INFO] [stdout]    --> src/buildkit.rs:205:1
[INFO] [stdout]     |
[INFO] [stdout] 205 | pub const TMP_PREFIX_IGNORE_PATTERN: &str = "modus_temp_*";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `BuildResult`
[INFO] [stdout]   --> src/reporting.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub type BuildResult = Vec<Image>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.90s
[INFO] running `Command { std: "docker" "inspect" "7fd16b4a92ec2fa9125dce4d9bce58b5485dbf9738d2be94e5dfa2bf09f63fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fd16b4a92ec2fa9125dce4d9bce58b5485dbf9738d2be94e5dfa2bf09f63fd8", kill_on_drop: false }`
[INFO] [stdout] 7fd16b4a92ec2fa9125dce4d9bce58b5485dbf9738d2be94e5dfa2bf09f63fd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc7e52ebfd4f66be70713b872984a7490e7ae819e3035d4bf68946c27ec221b0
[INFO] running `Command { std: "docker" "start" "-a" "dc7e52ebfd4f66be70713b872984a7490e7ae819e3035d4bf68946c27ec221b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling modus v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `TMP_PREFIX_IGNORE_PATTERN`
[INFO] [stdout]    --> src/buildkit.rs:205:1
[INFO] [stdout]     |
[INFO] [stdout] 205 | pub const TMP_PREFIX_IGNORE_PATTERN: &str = "modus_temp_*";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `BuildResult`
[INFO] [stdout]   --> src/reporting.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub type BuildResult = Vec<Image>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "dc7e52ebfd4f66be70713b872984a7490e7ae819e3035d4bf68946c27ec221b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc7e52ebfd4f66be70713b872984a7490e7ae819e3035d4bf68946c27ec221b0", kill_on_drop: false }`
[INFO] [stdout] dc7e52ebfd4f66be70713b872984a7490e7ae819e3035d4bf68946c27ec221b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ba15bf54abdb56d95c71291c1165979198c76e974ccd47ae7955dd30d780cc33
[INFO] running `Command { std: "docker" "start" "-a" "ba15bf54abdb56d95c71291c1165979198c76e974ccd47ae7955dd30d780cc33", kill_on_drop: false }`
[INFO] [stderr]    Compiling modus v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: constant is never used: `TMP_PREFIX_IGNORE_PATTERN`
[INFO] [stderr]    --> src/buildkit.rs:205:1
[INFO] [stderr]     |
[INFO] [stderr] 205 | pub const TMP_PREFIX_IGNORE_PATTERN: &str = "modus_temp_*";
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `BuildResult`
[INFO] [stderr]   --> src/reporting.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub type BuildResult = Vec<Image>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `modus` (bin "modus" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/buildkit_frontend-987c54b432d31813)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test buildkit::test_image_ref_is_hash ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/modus-7dba6fa00af6975b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test buildkit::test_image_ref_is_hash ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ba15bf54abdb56d95c71291c1165979198c76e974ccd47ae7955dd30d780cc33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba15bf54abdb56d95c71291c1165979198c76e974ccd47ae7955dd30d780cc33", kill_on_drop: false }`
[INFO] [stdout] ba15bf54abdb56d95c71291c1165979198c76e974ccd47ae7955dd30d780cc33