[INFO] fetching crate medallion 2.5.0...
[INFO] building medallion-2.5.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate medallion 2.5.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate medallion 2.5.0
[INFO] finished tweaking crates.io crate medallion 2.5.0
[INFO] tweaked toml for crates.io crate medallion 2.5.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate medallion 2.5.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate medallion 2.5.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34253b58566926eaf965c3bd3c9899817e1d1cabb14771b7e114475acfe113f2
[INFO] running `Command { std: "docker" "start" "-a" "34253b58566926eaf965c3bd3c9899817e1d1cabb14771b7e114475acfe113f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34253b58566926eaf965c3bd3c9899817e1d1cabb14771b7e114475acfe113f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34253b58566926eaf965c3bd3c9899817e1d1cabb14771b7e114475acfe113f2", kill_on_drop: false }`
[INFO] [stdout] 34253b58566926eaf965c3bd3c9899817e1d1cabb14771b7e114475acfe113f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32b7f36e28556e0733b2c16c9166123a4ca34d6373c4767f21be64dca9c25370
[INFO] running `Command { std: "docker" "start" "-a" "32b7f36e28556e0733b2c16c9166123a4ca34d6373c4767f21be64dca9c25370", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling anyhow v1.0.54
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling num_threads v0.1.3
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling time v0.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling medallion v2.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.27s
[INFO] running `Command { std: "docker" "inspect" "32b7f36e28556e0733b2c16c9166123a4ca34d6373c4767f21be64dca9c25370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32b7f36e28556e0733b2c16c9166123a4ca34d6373c4767f21be64dca9c25370", kill_on_drop: false }`
[INFO] [stdout] 32b7f36e28556e0733b2c16c9166123a4ca34d6373c4767f21be64dca9c25370
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f76207b87f866c214070ddf43de9c21ff912e9d15b5b99d14d4ac46002bc764d
[INFO] running `Command { std: "docker" "start" "-a" "f76207b87f866c214070ddf43de9c21ff912e9d15b5b99d14d4ac46002bc764d", kill_on_drop: false }`
[INFO] [stderr]    Compiling medallion v2.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "f76207b87f866c214070ddf43de9c21ff912e9d15b5b99d14d4ac46002bc764d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f76207b87f866c214070ddf43de9c21ff912e9d15b5b99d14d4ac46002bc764d", kill_on_drop: false }`
[INFO] [stdout] f76207b87f866c214070ddf43de9c21ff912e9d15b5b99d14d4ac46002bc764d