[INFO] fetching crate statue 0.3.1...
[INFO] checking statue-0.3.1 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate statue 0.3.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate statue 0.3.1 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate statue 0.3.1
[INFO] finished tweaking crates.io crate statue 0.3.1
[INFO] tweaked toml for crates.io crate statue 0.3.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "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]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "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 tl v0.7.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0cc6afda1a6cffe8886cdb4b85bdd99f957fee87febfbbdd565928556417bd5
[INFO] running `Command { std: "docker" "start" "-a" "a0cc6afda1a6cffe8886cdb4b85bdd99f957fee87febfbbdd565928556417bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0cc6afda1a6cffe8886cdb4b85bdd99f957fee87febfbbdd565928556417bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0cc6afda1a6cffe8886cdb4b85bdd99f957fee87febfbbdd565928556417bd5", kill_on_drop: false }`
[INFO] [stdout] a0cc6afda1a6cffe8886cdb4b85bdd99f957fee87febfbbdd565928556417bd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 341068d5634ea148f1808011e05c6b3a4dd4a8c1610afc394a1683e12d32dbf9
[INFO] running `Command { std: "docker" "start" "-a" "341068d5634ea148f1808011e05c6b3a4dd4a8c1610afc394a1683e12d32dbf9", kill_on_drop: false }`
[INFO] [stderr]     Checking tl v0.7.8
[INFO] [stderr]     Checking statue v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `map_err` is never used
[INFO] [stdout]  --> src/util.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) trait ResultLike<T, E> {
[INFO] [stdout]   |                  ---------- method in this trait
[INFO] [stdout] 2 |     fn map<U, F: FnOnce(T) -> U>(self, f: F) -> Result<U, E>;
[INFO] [stdout] 3 |     fn map_err<F: FnOnce(E) -> E>(self, f: F) -> Result<T, E>;
[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: method `map_err` is never used
[INFO] [stdout]  --> src/util.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) trait ResultLike<T, E> {
[INFO] [stdout]   |                  ---------- method in this trait
[INFO] [stdout] 2 |     fn map<U, F: FnOnce(T) -> U>(self, f: F) -> Result<U, E>;
[INFO] [stdout] 3 |     fn map_err<F: FnOnce(E) -> E>(self, f: F) -> Result<T, E>;
[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 0.65s
[INFO] running `Command { std: "docker" "inspect" "341068d5634ea148f1808011e05c6b3a4dd4a8c1610afc394a1683e12d32dbf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "341068d5634ea148f1808011e05c6b3a4dd4a8c1610afc394a1683e12d32dbf9", kill_on_drop: false }`
[INFO] [stdout] 341068d5634ea148f1808011e05c6b3a4dd4a8c1610afc394a1683e12d32dbf9