[INFO] fetching crate bubblegum 1.0.1...
[INFO] testing bubblegum-1.0.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate bubblegum 1.0.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate bubblegum 1.0.1
[INFO] finished tweaking crates.io crate bubblegum 1.0.1
[INFO] tweaked toml for crates.io crate bubblegum 1.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bubblegum 1.0.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate bubblegum 1.0.1 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23a9f4f8c38b5d1b2077622c55baeeef8f95e623c7d496192f9672985d770e0d
[INFO] running `Command { std: "docker" "start" "-a" "23a9f4f8c38b5d1b2077622c55baeeef8f95e623c7d496192f9672985d770e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23a9f4f8c38b5d1b2077622c55baeeef8f95e623c7d496192f9672985d770e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23a9f4f8c38b5d1b2077622c55baeeef8f95e623c7d496192f9672985d770e0d", kill_on_drop: false }`
[INFO] [stdout] 23a9f4f8c38b5d1b2077622c55baeeef8f95e623c7d496192f9672985d770e0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cff5b369357a73484efbcaa13c3ed2838f5395c98b71692afc7465236aee165a
[INFO] running `Command { std: "docker" "start" "-a" "cff5b369357a73484efbcaa13c3ed2838f5395c98b71692afc7465236aee165a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling httparse v1.7.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling cpufeatures v0.2.2
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.21
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling http v0.2.8
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling dot v0.1.4
[INFO] [stderr]    Compiling more-asserts v0.2.2
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling block-buffer v0.10.2
[INFO] [stderr]    Compiling crypto-common v0.1.3
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling digest v0.10.3
[INFO] [stderr]    Compiling chashmap v2.2.2
[INFO] [stderr]    Compiling dot_parse v0.2.0
[INFO] [stderr]    Compiling sha-1 v0.10.0
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling queues v1.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]    Compiling tungstenite v0.17.2
[INFO] [stderr]    Compiling bubblegum v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.67s
[INFO] running `Command { std: "docker" "inspect" "cff5b369357a73484efbcaa13c3ed2838f5395c98b71692afc7465236aee165a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cff5b369357a73484efbcaa13c3ed2838f5395c98b71692afc7465236aee165a", kill_on_drop: false }`
[INFO] [stdout] cff5b369357a73484efbcaa13c3ed2838f5395c98b71692afc7465236aee165a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cd05048db76e16bf610d0c472f595b39c9d8542ec945747d8f0d86eb768f245
[INFO] running `Command { std: "docker" "start" "-a" "3cd05048db76e16bf610d0c472f595b39c9d8542ec945747d8f0d86eb768f245", kill_on_drop: false }`
[INFO] [stderr]    Compiling bubblegum v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "3cd05048db76e16bf610d0c472f595b39c9d8542ec945747d8f0d86eb768f245", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cd05048db76e16bf610d0c472f595b39c9d8542ec945747d8f0d86eb768f245", kill_on_drop: false }`
[INFO] [stdout] 3cd05048db76e16bf610d0c472f595b39c9d8542ec945747d8f0d86eb768f245
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 868aca124c9172bf6d33477eaac3a315b6f04caa4becaa49835c7f059aea7879
[INFO] running `Command { std: "docker" "start" "-a" "868aca124c9172bf6d33477eaac3a315b6f04caa4becaa49835c7f059aea7879", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/bubblegum-646f0e9974fa31a7)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "868aca124c9172bf6d33477eaac3a315b6f04caa4becaa49835c7f059aea7879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "868aca124c9172bf6d33477eaac3a315b6f04caa4becaa49835c7f059aea7879", kill_on_drop: false }`
[INFO] [stdout] 868aca124c9172bf6d33477eaac3a315b6f04caa4becaa49835c7f059aea7879