[INFO] cloning repository https://github.com/luser/stdin-stdout-deadlock-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luser/stdin-stdout-deadlock-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluser%2Fstdin-stdout-deadlock-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluser%2Fstdin-stdout-deadlock-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b514544dd1ad0ad332ca1f6065ebf80c8d6126ad
[INFO] checking luser/stdin-stdout-deadlock-test against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluser%2Fstdin-stdout-deadlock-test" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luser/stdin-stdout-deadlock-test on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luser/stdin-stdout-deadlock-test
[INFO] finished tweaking git repo https://github.com/luser/stdin-stdout-deadlock-test
[INFO] tweaked toml for git repo https://github.com/luser/stdin-stdout-deadlock-test written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/luser/stdin-stdout-deadlock-test 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded predicates-tree v0.9.0
[INFO] [stderr]   Downloaded predicates-core v0.9.0
[INFO] [stderr]   Downloaded predicates v0.9.0
[INFO] [stderr]   Downloaded escargot v0.2.0
[INFO] [stderr]   Downloaded regex v1.0.2
[INFO] [stderr]   Downloaded syn v0.14.6
[INFO] [stderr]   Downloaded assert_cmd v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31daeb86e36064eefe20d307170fd49119c95a1b820ba0ae8b5380d4efaeae08
[INFO] running `Command { std: "docker" "start" "-a" "31daeb86e36064eefe20d307170fd49119c95a1b820ba0ae8b5380d4efaeae08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31daeb86e36064eefe20d307170fd49119c95a1b820ba0ae8b5380d4efaeae08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31daeb86e36064eefe20d307170fd49119c95a1b820ba0ae8b5380d4efaeae08", kill_on_drop: false }`
[INFO] [stdout] 31daeb86e36064eefe20d307170fd49119c95a1b820ba0ae8b5380d4efaeae08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3427e35546812ba4c808b4c7ee69dbc3465f3efa461fcfb89cb165c32f3eb338
[INFO] running `Command { std: "docker" "start" "-a" "3427e35546812ba4c808b4c7ee69dbc3465f3efa461fcfb89cb165c32f3eb338", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking lazy_static v1.0.2
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]    Compiling escargot v0.2.0
[INFO] [stderr]     Checking predicates-core v0.9.0
[INFO] [stderr]     Checking normalize-line-endings v0.2.2
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking predicates-tree v0.9.0
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]    Compiling syn v0.14.6
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.6
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking predicates v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.24
[INFO] [stderr]     Checking assert_cmd v0.9.0
[INFO] [stderr]     Checking stdin-stdout-deadlock-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.06s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.6
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "3427e35546812ba4c808b4c7ee69dbc3465f3efa461fcfb89cb165c32f3eb338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3427e35546812ba4c808b4c7ee69dbc3465f3efa461fcfb89cb165c32f3eb338", kill_on_drop: false }`
[INFO] [stdout] 3427e35546812ba4c808b4c7ee69dbc3465f3efa461fcfb89cb165c32f3eb338
[INFO] checking luser/stdin-stdout-deadlock-test against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluser%2Fstdin-stdout-deadlock-test" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luser/stdin-stdout-deadlock-test on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luser/stdin-stdout-deadlock-test
[INFO] finished tweaking git repo https://github.com/luser/stdin-stdout-deadlock-test
[INFO] tweaked toml for git repo https://github.com/luser/stdin-stdout-deadlock-test written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/luser/stdin-stdout-deadlock-test 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64bc1fdfd0677e9446657121577707d4fa77c58bdbfd9855d565e42fdc0e80f0
[INFO] running `Command { std: "docker" "start" "-a" "64bc1fdfd0677e9446657121577707d4fa77c58bdbfd9855d565e42fdc0e80f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64bc1fdfd0677e9446657121577707d4fa77c58bdbfd9855d565e42fdc0e80f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64bc1fdfd0677e9446657121577707d4fa77c58bdbfd9855d565e42fdc0e80f0", kill_on_drop: false }`
[INFO] [stdout] 64bc1fdfd0677e9446657121577707d4fa77c58bdbfd9855d565e42fdc0e80f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08521f90a52834e459b7015d6c449dd6bf65dfd86a5f597d3dc463e9e84d6065
[INFO] running `Command { std: "docker" "start" "-a" "08521f90a52834e459b7015d6c449dd6bf65dfd86a5f597d3dc463e9e84d6065", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]     Checking lazy_static v1.0.2
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]    Compiling escargot v0.2.0
[INFO] [stderr]     Checking predicates-core v0.9.0
[INFO] [stderr]     Checking normalize-line-endings v0.2.2
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking predicates-tree v0.9.0
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.6
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]    Compiling syn v0.14.6
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking predicates v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.24
[INFO] [stderr]     Checking assert_cmd v0.9.0
[INFO] [stderr]     Checking stdin-stdout-deadlock-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.09s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.6
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "08521f90a52834e459b7015d6c449dd6bf65dfd86a5f597d3dc463e9e84d6065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08521f90a52834e459b7015d6c449dd6bf65dfd86a5f597d3dc463e9e84d6065", kill_on_drop: false }`
[INFO] [stdout] 08521f90a52834e459b7015d6c449dd6bf65dfd86a5f597d3dc463e9e84d6065