[INFO] fetching crate fjord-repl 0.2.4...
[INFO] checking fjord-repl-0.2.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate fjord-repl 0.2.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate fjord-repl 0.2.4 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 fjord-repl 0.2.4
[INFO] finished tweaking crates.io crate fjord-repl 0.2.4
[INFO] tweaked toml for crates.io crate fjord-repl 0.2.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate fjord-repl 0.2.4 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smol_str v0.1.16
[INFO] [stderr]   Downloaded num_enum v0.5.1
[INFO] [stderr]   Downloaded fjord v0.4.12
[INFO] [stderr]   Downloaded rowan v0.10.0
[INFO] [stderr]   Downloaded text-size v1.0.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.15
[INFO] [stderr]   Downloaded anyhow v1.0.32
[INFO] [stderr]   Downloaded utf8-ranges v1.0.4
[INFO] [stderr]   Downloaded syn v1.0.41
[INFO] [stderr]   Downloaded derivative v2.1.1
[INFO] [stderr]   Downloaded libc v0.2.77
[INFO] [stderr]   Downloaded serde v1.0.116
[INFO] [stderr]   Downloaded toml v0.5.6
[INFO] [stderr]   Downloaded is_executable v0.1.2
[INFO] [stderr]   Downloaded beef v0.4.4
[INFO] [stderr]   Downloaded logos-derive v0.11.5
[INFO] [stderr]   Downloaded logos v0.11.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.21
[INFO] [stderr]   Downloaded num_enum_derive v0.5.1
[INFO] [stderr]   Downloaded thin-dst v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2f2253ea0ddce8ab51440fdc4d632d3b24fbbd00e2a342bed213aa724ab58a9a
[INFO] running `Command { std: "docker" "start" "-a" "2f2253ea0ddce8ab51440fdc4d632d3b24fbbd00e2a342bed213aa724ab58a9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f2253ea0ddce8ab51440fdc4d632d3b24fbbd00e2a342bed213aa724ab58a9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f2253ea0ddce8ab51440fdc4d632d3b24fbbd00e2a342bed213aa724ab58a9a", kill_on_drop: false }`
[INFO] [stdout] 2f2253ea0ddce8ab51440fdc4d632d3b24fbbd00e2a342bed213aa724ab58a9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 023770ac67500884e41e4090c3d5ba3c6d70eeea384da035d159729243cfaa75
[INFO] running `Command { std: "docker" "start" "-a" "023770ac67500884e41e4090c3d5ba3c6d70eeea384da035d159729243cfaa75", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking smol_str v0.1.16
[INFO] [stderr]     Checking text-size v1.0.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking thin-dst v1.1.0
[INFO] [stderr]     Checking is_executable v0.1.2
[INFO] [stderr]     Checking rowan v0.10.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]     Checking num_enum v0.5.1
[INFO] [stderr]     Checking logos v0.11.4
[INFO] [stderr]     Checking fjord v0.4.12
[INFO] [stderr]     Checking fjord-repl v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.68s
[INFO] running `Command { std: "docker" "inspect" "023770ac67500884e41e4090c3d5ba3c6d70eeea384da035d159729243cfaa75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "023770ac67500884e41e4090c3d5ba3c6d70eeea384da035d159729243cfaa75", kill_on_drop: false }`
[INFO] [stdout] 023770ac67500884e41e4090c3d5ba3c6d70eeea384da035d159729243cfaa75