[INFO] fetching crate unshare_petbox 0.7.1...
[INFO] checking unshare_petbox-0.7.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate unshare_petbox 0.7.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate unshare_petbox 0.7.1 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unshare_petbox 0.7.1
[INFO] finished tweaking crates.io crate unshare_petbox 0.7.1
[INFO] tweaked toml for crates.io crate unshare_petbox 0.7.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate unshare_petbox 0.7.1 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "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 nix v0.20.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7341b98a2e35a91d87018f1e3bd8f18a3782ad7a236fb4abdec5bf55dc2e6adc
[INFO] running `Command { std: "docker" "start" "-a" "7341b98a2e35a91d87018f1e3bd8f18a3782ad7a236fb4abdec5bf55dc2e6adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7341b98a2e35a91d87018f1e3bd8f18a3782ad7a236fb4abdec5bf55dc2e6adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7341b98a2e35a91d87018f1e3bd8f18a3782ad7a236fb4abdec5bf55dc2e6adc", kill_on_drop: false }`
[INFO] [stdout] 7341b98a2e35a91d87018f1e3bd8f18a3782ad7a236fb4abdec5bf55dc2e6adc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41760cae26f3ed48b5c6bd38cc195c5bd90ff2ea213d47002356a348e8c4eb39
[INFO] running `Command { std: "docker" "start" "-a" "41760cae26f3ed48b5c6bd38cc195c5bd90ff2ea213d47002356a348e8c4eb39", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking unshare_petbox v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `fd_lookup` is never read
[INFO] [stdout]   --> src/run.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct ChildInfo<'a> {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fd_lookup: &'a HashMap<RawFd, RawFd>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fd_lookup` is never read
[INFO] [stdout]   --> src/run.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct ChildInfo<'a> {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fd_lookup: &'a HashMap<RawFd, RawFd>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.99s
[INFO] running `Command { std: "docker" "inspect" "41760cae26f3ed48b5c6bd38cc195c5bd90ff2ea213d47002356a348e8c4eb39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41760cae26f3ed48b5c6bd38cc195c5bd90ff2ea213d47002356a348e8c4eb39", kill_on_drop: false }`
[INFO] [stdout] 41760cae26f3ed48b5c6bd38cc195c5bd90ff2ea213d47002356a348e8c4eb39
[INFO] checking unshare_petbox-0.7.1 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate unshare_petbox 0.7.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate unshare_petbox 0.7.1 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unshare_petbox 0.7.1
[INFO] finished tweaking crates.io crate unshare_petbox 0.7.1
[INFO] tweaked toml for crates.io crate unshare_petbox 0.7.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate unshare_petbox 0.7.1 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09e0fed0534403471d6ce532ac1e7ef71875a074a11093d2bdd8e2e225f5882c
[INFO] running `Command { std: "docker" "start" "-a" "09e0fed0534403471d6ce532ac1e7ef71875a074a11093d2bdd8e2e225f5882c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09e0fed0534403471d6ce532ac1e7ef71875a074a11093d2bdd8e2e225f5882c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09e0fed0534403471d6ce532ac1e7ef71875a074a11093d2bdd8e2e225f5882c", kill_on_drop: false }`
[INFO] [stdout] 09e0fed0534403471d6ce532ac1e7ef71875a074a11093d2bdd8e2e225f5882c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 434b1a4453cf56488d415e96da1160150a8d3e2a4bd8bab46f5c01c4377be0f6
[INFO] running `Command { std: "docker" "start" "-a" "434b1a4453cf56488d415e96da1160150a8d3e2a4bd8bab46f5c01c4377be0f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking argparse v0.2.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking unshare_petbox v0.7.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `fd_lookup` is never read
[INFO] [stdout]   --> src/run.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct ChildInfo<'a> {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fd_lookup: &'a HashMap<RawFd, RawFd>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `fd_lookup` is never read
[INFO] [stdout]   --> src/run.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct ChildInfo<'a> {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fd_lookup: &'a HashMap<RawFd, RawFd>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "434b1a4453cf56488d415e96da1160150a8d3e2a4bd8bab46f5c01c4377be0f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "434b1a4453cf56488d415e96da1160150a8d3e2a4bd8bab46f5c01c4377be0f6", kill_on_drop: false }`
[INFO] [stdout] 434b1a4453cf56488d415e96da1160150a8d3e2a4bd8bab46f5c01c4377be0f6