[INFO] fetching crate piss 0.1.2...
[INFO] checking piss-0.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate piss 0.1.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate piss 0.1.2 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 piss 0.1.2
[INFO] finished tweaking crates.io crate piss 0.1.2
[INFO] tweaked toml for crates.io crate piss 0.1.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate piss 0.1.2 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]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.12
[INFO] [stderr]   Downloaded color_quant v1.0.1
[INFO] [stderr]   Downloaded proc-macro-error v0.4.12
[INFO] [stderr]   Downloaded num-iter v0.1.40
[INFO] [stderr]   Downloaded num-rational v0.2.3
[INFO] [stderr]   Downloaded bytemuck v1.2.0
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.1
[INFO] [stderr]   Downloaded rayon-core v1.7.0
[INFO] [stderr]   Downloaded structopt v0.3.12
[INFO] [stderr]   Downloaded rayon v1.3.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.18
[INFO] [stderr]   Downloaded image v0.23.0
[INFO] [stderr]   Downloaded tiff v0.4.0
[INFO] [stderr]   Downloaded structopt-derive v0.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0382401be9d597f48b144e57d39d10e4d1b95310bc5a362e0ea0248643775eb2
[INFO] running `Command { std: "docker" "start" "-a" "0382401be9d597f48b144e57d39d10e4d1b95310bc5a362e0ea0248643775eb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0382401be9d597f48b144e57d39d10e4d1b95310bc5a362e0ea0248643775eb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0382401be9d597f48b144e57d39d10e4d1b95310bc5a362e0ea0248643775eb2", kill_on_drop: false }`
[INFO] [stdout] 0382401be9d597f48b144e57d39d10e4d1b95310bc5a362e0ea0248643775eb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6d2d47e5697f0d1fce0f7ec376801cab8c4a3266424a6b1412a2c58304218009
[INFO] running `Command { std: "docker" "start" "-a" "6d2d47e5697f0d1fce0f7ec376801cab8c4a3266424a6b1412a2c58304218009", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking tiff v0.4.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking image v0.23.0
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]     Checking structopt v0.3.12
[INFO] [stderr]     Checking piss v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.63s
[INFO] running `Command { std: "docker" "inspect" "6d2d47e5697f0d1fce0f7ec376801cab8c4a3266424a6b1412a2c58304218009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d2d47e5697f0d1fce0f7ec376801cab8c4a3266424a6b1412a2c58304218009", kill_on_drop: false }`
[INFO] [stdout] 6d2d47e5697f0d1fce0f7ec376801cab8c4a3266424a6b1412a2c58304218009
[INFO] checking piss-0.1.2 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate piss 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate piss 0.1.2 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 piss 0.1.2
[INFO] finished tweaking crates.io crate piss 0.1.2
[INFO] tweaked toml for crates.io crate piss 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate piss 0.1.2 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] [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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2b3611a8d1cd7c67876e646987296f497c22b0eae20b9a89f02a162e88188df2
[INFO] running `Command { std: "docker" "start" "-a" "2b3611a8d1cd7c67876e646987296f497c22b0eae20b9a89f02a162e88188df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b3611a8d1cd7c67876e646987296f497c22b0eae20b9a89f02a162e88188df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b3611a8d1cd7c67876e646987296f497c22b0eae20b9a89f02a162e88188df2", kill_on_drop: false }`
[INFO] [stdout] 2b3611a8d1cd7c67876e646987296f497c22b0eae20b9a89f02a162e88188df2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6ee2f9267d9ae6decdd1b285f94e4dce694296f293caa4c0d3468576d3a55403
[INFO] running `Command { std: "docker" "start" "-a" "6ee2f9267d9ae6decdd1b285f94e4dce694296f293caa4c0d3468576d3a55403", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking tiff v0.4.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking image v0.23.0
[INFO] [stderr]    Compiling structopt-derive v0.4.5
[INFO] [stderr]     Checking structopt v0.3.12
[INFO] [stderr]     Checking piss v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.70s
[INFO] running `Command { std: "docker" "inspect" "6ee2f9267d9ae6decdd1b285f94e4dce694296f293caa4c0d3468576d3a55403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ee2f9267d9ae6decdd1b285f94e4dce694296f293caa4c0d3468576d3a55403", kill_on_drop: false }`
[INFO] [stdout] 6ee2f9267d9ae6decdd1b285f94e4dce694296f293caa4c0d3468576d3a55403