[INFO] fetching crate tetsy-daemonize 0.3.0...
[INFO] checking tetsy-daemonize-0.3.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate tetsy-daemonize 0.3.0 into /workspace/builds/worker-75/source
[INFO] validating manifest of crates.io crate tetsy-daemonize 0.3.0 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tetsy-daemonize 0.3.0
[INFO] finished tweaking crates.io crate tetsy-daemonize 0.3.0
[INFO] tweaked toml for crates.io crate tetsy-daemonize 0.3.0 written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] crate crates.io crate tetsy-daemonize 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a604751cc28284619f2765d4d8526bae6497208551df2cf80916353643cdd9b7
[INFO] running `Command { std: "docker" "start" "-a" "a604751cc28284619f2765d4d8526bae6497208551df2cf80916353643cdd9b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a604751cc28284619f2765d4d8526bae6497208551df2cf80916353643cdd9b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a604751cc28284619f2765d4d8526bae6497208551df2cf80916353643cdd9b7", kill_on_drop: false }`
[INFO] [stdout] a604751cc28284619f2765d4d8526bae6497208551df2cf80916353643cdd9b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc887c379f420794f9879315be38e4763a8fd61e87938fc0867c47656f5cc89b
[INFO] running `Command { std: "docker" "start" "-a" "fc887c379f420794f9879315be38e4763a8fd61e87938fc0867c47656f5cc89b", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking tetsy-daemonize v0.3.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/error.rs (1 fix)
[INFO] [stderr]    Migrating tests/tests.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/simple.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed tests/tests.rs (1 fix)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/tests.rs:18:2
[INFO] [stdout]    |
[INFO] [stdout] 18 |     file.read_to_string(&mut pid);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.23s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking tetsy-daemonize v0.3.0 (/tmp/fixit)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> tests/tests.rs:18:2
[INFO] [stdout]    |
[INFO] [stdout] 18 |     file.read_to_string(&mut pid);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "fc887c379f420794f9879315be38e4763a8fd61e87938fc0867c47656f5cc89b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc887c379f420794f9879315be38e4763a8fd61e87938fc0867c47656f5cc89b", kill_on_drop: false }`
[INFO] [stdout] fc887c379f420794f9879315be38e4763a8fd61e87938fc0867c47656f5cc89b