[INFO] fetching crate cromwell 0.1.5...
[INFO] building cromwell-0.1.5 against master#eb171a227f9e5de5d376b6edb56b174bc8235fb3 for pr-149937
[INFO] extracting crate cromwell 0.1.5 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate cromwell 0.1.5
[INFO] finished tweaking crates.io crate cromwell 0.1.5
[INFO] tweaked toml for crates.io crate cromwell 0.1.5 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cromwell 0.1.5 on toolchain eb171a227f9e5de5d376b6edb56b174bc8235fb3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 240 packages to latest compatible versions
[INFO] [stderr]       Adding clap v2.34.0 (available: v4.5.53)
[INFO] [stderr]       Adding dirs v1.0.5 (available: v6.0.0)
[INFO] [stderr]       Adding env_logger v0.6.2 (available: v0.11.8)
[INFO] [stderr]       Adding nix v0.11.1 (available: v0.30.1)
[INFO] [stderr]       Adding prettytable-rs v0.8.0 (available: v0.10.0)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.9.2)
[INFO] [stderr]       Adding reqwest v0.9.24 (available: v0.12.28)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xattr v1.6.1
[INFO] [stderr]   Downloaded filetime v0.2.26
[INFO] [stderr]   Downloaded tokio-executor v0.1.10
[INFO] [stderr]   Downloaded redox_syscall v0.6.0
[INFO] [stderr]   Downloaded constant_time_eq v0.1.5
[INFO] [stderr]   Downloaded try_from v0.3.2
[INFO] [stderr]   Downloaded futures-cpupool v0.1.8
[INFO] [stderr]   Downloaded string v0.2.1
[INFO] [stderr]   Downloaded http-body v0.1.0
[INFO] [stderr]   Downloaded redox_users v0.3.5
[INFO] [stderr]   Downloaded humantime v1.3.0
[INFO] [stderr]   Downloaded env_logger v0.6.2
[INFO] [stderr]   Downloaded blake2b_simd v0.5.11
[INFO] [stderr]   Downloaded encode_unicode v0.3.6
[INFO] [stderr]   Downloaded tokio v0.1.22
[INFO] [stderr]   Downloaded reqwest v0.9.24
[INFO] [stderr]   Downloaded http v0.1.21
[INFO] [stderr]   Downloaded h2 v0.1.26
[INFO] [stderr]   Downloaded futures v0.1.31
[INFO] [stderr]   Downloaded term v0.5.2
[INFO] [stderr]   Downloaded hyper v0.12.36
[INFO] [stderr]   Downloaded tokio-sync v0.1.8
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.18
[INFO] [stderr]   Downloaded cookie_store v0.7.0
[INFO] [stderr]   Downloaded rust-argon2 v0.8.3
[INFO] [stderr]   Downloaded dirs v1.0.5
[INFO] [stderr]   Downloaded unicase v2.8.1
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.7
[INFO] [stderr]   Downloaded tokio-reactor v0.1.12
[INFO] [stderr]   Downloaded winreg v0.6.2
[INFO] [stderr]   Downloaded prettytable-rs v0.8.0
[INFO] [stderr]   Downloaded cookie v0.12.0
[INFO] [stderr]   Downloaded publicsuffix v1.5.6
[INFO] [stderr]   Downloaded hyper-tls v0.3.2
[INFO] [stderr]   Downloaded mime_guess v2.0.5
[INFO] [stderr]   Downloaded serde_urlencoded v0.5.5
[INFO] [stderr]   Downloaded tokio-tcp v0.1.4
[INFO] [stderr]   Downloaded want v0.2.0
[INFO] [stderr]   Downloaded tar v0.4.44
[INFO] [stderr]   Downloaded tokio-buf v0.1.1
[INFO] [stderr]   Downloaded tokio-timer v0.2.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b2f3489432eec6b6b17c82fccaa7aed8d0489de701b1da0710cc846aee775de
[INFO] running `Command { std: "docker" "start" "-a" "8b2f3489432eec6b6b17c82fccaa7aed8d0489de701b1da0710cc846aee775de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b2f3489432eec6b6b17c82fccaa7aed8d0489de701b1da0710cc846aee775de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b2f3489432eec6b6b17c82fccaa7aed8d0489de701b1da0710cc846aee775de", kill_on_drop: false }`
[INFO] [stdout] 8b2f3489432eec6b6b17c82fccaa7aed8d0489de701b1da0710cc846aee775de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 136967f0d2908d7d238076da8b892ba88033c2c5c2f5ccb9484e29fc7ac01465
[INFO] running `Command { std: "docker" "start" "-a" "136967f0d2908d7d238076da8b892ba88033c2c5c2f5ccb9484e29fc7ac01465", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling litemap v0.8.1
[INFO] [stderr]    Compiling writeable v0.6.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling icu_properties_data v2.1.2
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling num_cpus v1.17.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling itoa v0.4.8
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[INFO] [stderr]    Compiling indexmap v1.9.3
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[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling unicode-xid v0.2.6
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[INFO] [stderr]    Compiling openssl v0.10.75
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[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
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[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling openssl-probe v0.1.6
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.147
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling csv-core v0.1.13
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling ryu v1.0.21
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling csv v1.4.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling filetime v0.2.26
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling xattr v1.6.1
[INFO] [stderr]    Compiling tar v0.4.44
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling icu_properties v2.1.2
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling publicsuffix v1.5.6
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling reqwest v0.9.24
[INFO] [stderr]    Compiling cromwell v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/container.rs:179:45
[INFO] [stdout]     |
[INFO] [stdout] 174 | /                 execve(
[INFO] [stdout] 175 | |                     &default_shell,
[INFO] [stdout] 176 | |                     &[default_shell.clone(), shell_opt, cmd],
[INFO] [stdout] 177 | |                     &[lang, path],
[INFO] [stdout] 178 | |                 )
[INFO] [stdout] 179 | |                 .expect("execution failed.");
[INFO] [stdout]     | |                                            -^ unreachable expression
[INFO] [stdout]     | |____________________________________________|
[INFO] [stdout]     |                                              any code following this expression is unreachable
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `void::Void`, which is uninhabited
[INFO] [stdout]    --> src/container.rs:174:17
[INFO] [stdout]     |
[INFO] [stdout] 174 | /                 execve(
[INFO] [stdout] 175 | |                     &default_shell,
[INFO] [stdout] 176 | |                     &[default_shell.clone(), shell_opt, cmd],
[INFO] [stdout] 177 | |                     &[lang, path],
[INFO] [stdout] 178 | |                 )
[INFO] [stdout] 179 | |                 .expect("execution failed.");
[INFO] [stdout]     | |____________________________________________^
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.83s
[INFO] running `Command { std: "docker" "inspect" "136967f0d2908d7d238076da8b892ba88033c2c5c2f5ccb9484e29fc7ac01465", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "136967f0d2908d7d238076da8b892ba88033c2c5c2f5ccb9484e29fc7ac01465", kill_on_drop: false }`
[INFO] [stdout] 136967f0d2908d7d238076da8b892ba88033c2c5c2f5ccb9484e29fc7ac01465
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+eb171a227f9e5de5d376b6edb56b174bc8235fb3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 346831d8ce98d823e6f186dcb0944a69777568d7aee343365aefe0023ba514ad
[INFO] running `Command { std: "docker" "start" "-a" "346831d8ce98d823e6f186dcb0944a69777568d7aee343365aefe0023ba514ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling cromwell v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/container.rs:179:45
[INFO] [stdout]     |
[INFO] [stdout] 174 | /                 execve(
[INFO] [stdout] 175 | |                     &default_shell,
[INFO] [stdout] 176 | |                     &[default_shell.clone(), shell_opt, cmd],
[INFO] [stdout] 177 | |                     &[lang, path],
[INFO] [stdout] 178 | |                 )
[INFO] [stdout] 179 | |                 .expect("execution failed.");
[INFO] [stdout]     | |                                            -^ unreachable expression
[INFO] [stdout]     | |____________________________________________|
[INFO] [stdout]     |                                              any code following this expression is unreachable
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `void::Void`, which is uninhabited
[INFO] [stdout]    --> src/container.rs:174:17
[INFO] [stdout]     |
[INFO] [stdout] 174 | /                 execve(
[INFO] [stdout] 175 | |                     &default_shell,
[INFO] [stdout] 176 | |                     &[default_shell.clone(), shell_opt, cmd],
[INFO] [stdout] 177 | |                     &[lang, path],
[INFO] [stdout] 178 | |                 )
[INFO] [stdout] 179 | |                 .expect("execution failed.");
[INFO] [stdout]     | |____________________________________________^
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "346831d8ce98d823e6f186dcb0944a69777568d7aee343365aefe0023ba514ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "346831d8ce98d823e6f186dcb0944a69777568d7aee343365aefe0023ba514ad", kill_on_drop: false }`
[INFO] [stdout] 346831d8ce98d823e6f186dcb0944a69777568d7aee343365aefe0023ba514ad
