[INFO] fetching crate trackie 1.0.0...
[INFO] checking trackie-1.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate trackie 1.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate trackie 1.0.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trackie 1.0.0
[INFO] finished tweaking crates.io crate trackie 1.0.0
[INFO] tweaked toml for crates.io crate trackie 1.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate trackie 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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 serde v1.0.127
[INFO] [stderr]   Downloaded serde_json v1.0.66
[INFO] [stderr]   Downloaded predicates-core v1.0.2
[INFO] [stderr]   Downloaded serde_derive v1.0.127
[INFO] [stderr]   Downloaded libc v0.2.99
[INFO] [stderr]   Downloaded predicates-tree v1.0.3
[INFO] [stderr]   Downloaded bstr v0.2.16
[INFO] [stderr]   Downloaded clap_derive v3.0.0-beta.4
[INFO] [stderr]   Downloaded os_str_bytes v3.1.0
[INFO] [stderr]   Downloaded textwrap v0.14.2
[INFO] [stderr]   Downloaded clap v3.0.0-beta.4
[INFO] [stderr]   Downloaded syn v1.0.74
[INFO] [stderr]   Downloaded assert_cmd v2.0.0
[INFO] [stderr]   Downloaded predicates v2.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ca6daf88c9badc01230d11d8b5684659954c1988f2dd2cac1913017a539a110
[INFO] running `Command { std: "docker" "start" "-a" "7ca6daf88c9badc01230d11d8b5684659954c1988f2dd2cac1913017a539a110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ca6daf88c9badc01230d11d8b5684659954c1988f2dd2cac1913017a539a110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ca6daf88c9badc01230d11d8b5684659954c1988f2dd2cac1913017a539a110", kill_on_drop: false }`
[INFO] [stdout] 7ca6daf88c9badc01230d11d8b5684659954c1988f2dd2cac1913017a539a110
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ab79cd762518ef92e3e18ba833e4842a86cec1f7c38149a8f99b9cb614bdd49
[INFO] running `Command { std: "docker" "start" "-a" "9ab79cd762518ef92e3e18ba833e4842a86cec1f7c38149a8f99b9cb614bdd49", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking os_str_bytes v3.1.0
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking predicates-tree v1.0.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking predicates v2.0.2
[INFO] [stderr]     Checking assert_cmd v2.0.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.4
[INFO] [stderr]     Checking clap v3.0.0-beta.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking trackie v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.65s
[INFO] running `Command { std: "docker" "inspect" "9ab79cd762518ef92e3e18ba833e4842a86cec1f7c38149a8f99b9cb614bdd49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ab79cd762518ef92e3e18ba833e4842a86cec1f7c38149a8f99b9cb614bdd49", kill_on_drop: false }`
[INFO] [stdout] 9ab79cd762518ef92e3e18ba833e4842a86cec1f7c38149a8f99b9cb614bdd49
[INFO] checking trackie-1.0.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate trackie 1.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate trackie 1.0.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trackie 1.0.0
[INFO] finished tweaking crates.io crate trackie 1.0.0
[INFO] tweaked toml for crates.io crate trackie 1.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate trackie 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d06ff55ed2cda8c09f879f9bbd7625aaf291b7df48b1cd15c9ad8eecd4ef13e0
[INFO] running `Command { std: "docker" "start" "-a" "d06ff55ed2cda8c09f879f9bbd7625aaf291b7df48b1cd15c9ad8eecd4ef13e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d06ff55ed2cda8c09f879f9bbd7625aaf291b7df48b1cd15c9ad8eecd4ef13e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d06ff55ed2cda8c09f879f9bbd7625aaf291b7df48b1cd15c9ad8eecd4ef13e0", kill_on_drop: false }`
[INFO] [stdout] d06ff55ed2cda8c09f879f9bbd7625aaf291b7df48b1cd15c9ad8eecd4ef13e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dfdf561cac205fcf50335af4b74ea6979fcaa6bfc8748f0fa2bdbb39ff6ef9e
[INFO] running `Command { std: "docker" "start" "-a" "1dfdf561cac205fcf50335af4b74ea6979fcaa6bfc8748f0fa2bdbb39ff6ef9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking os_str_bytes v3.1.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking predicates-tree v1.0.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking predicates v2.0.2
[INFO] [stderr]     Checking assert_cmd v2.0.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.4
[INFO] [stderr]     Checking clap v3.0.0-beta.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking trackie v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.32s
[INFO] running `Command { std: "docker" "inspect" "1dfdf561cac205fcf50335af4b74ea6979fcaa6bfc8748f0fa2bdbb39ff6ef9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dfdf561cac205fcf50335af4b74ea6979fcaa6bfc8748f0fa2bdbb39ff6ef9e", kill_on_drop: false }`
[INFO] [stdout] 1dfdf561cac205fcf50335af4b74ea6979fcaa6bfc8748f0fa2bdbb39ff6ef9e