[INFO] cloning repository https://github.com/neildanson/rust_tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neildanson/rust_tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneildanson%2Frust_tracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneildanson%2Frust_tracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12dbd102ce3637470028f2e7a013f7f688bec870
[INFO] checking neildanson/rust_tracer against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneildanson%2Frust_tracer" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/neildanson/rust_tracer 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 git repo https://github.com/neildanson/rust_tracer
[INFO] finished tweaking git repo https://github.com/neildanson/rust_tracer
[INFO] tweaked toml for git repo https://github.com/neildanson/rust_tracer written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/neildanson/rust_tracer 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.4
[INFO] [stderr]   Downloaded euclid v0.6.6
[INFO] [stderr]   Downloaded num v0.1.32
[INFO] [stderr]   Downloaded rayon v0.3.1
[INFO] [stderr]   Downloaded num-bigint v0.1.32
[INFO] [stderr]   Downloaded num-complex v0.1.32
[INFO] [stderr]   Downloaded num-traits v0.1.32
[INFO] [stderr]   Downloaded image v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] d64a753bd145a609606242aef7b1938c1b12d58919962ea4125e4c29253a875c
[INFO] running `Command { std: "docker" "start" "-a" "d64a753bd145a609606242aef7b1938c1b12d58919962ea4125e4c29253a875c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d64a753bd145a609606242aef7b1938c1b12d58919962ea4125e4c29253a875c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d64a753bd145a609606242aef7b1938c1b12d58919962ea4125e4c29253a875c", kill_on_drop: false }`
[INFO] [stdout] d64a753bd145a609606242aef7b1938c1b12d58919962ea4125e4c29253a875c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] c0c791108862fb4e9297a81d987d07e230aa99514f21fcb18b26c0561e748bec
[INFO] running `Command { std: "docker" "start" "-a" "c0c791108862fb4e9297a81d987d07e230aa99514f21fcb18b26c0561e748bec", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "c0c791108862fb4e9297a81d987d07e230aa99514f21fcb18b26c0561e748bec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0c791108862fb4e9297a81d987d07e230aa99514f21fcb18b26c0561e748bec", kill_on_drop: false }`
[INFO] [stdout] c0c791108862fb4e9297a81d987d07e230aa99514f21fcb18b26c0561e748bec