[INFO] fetching crate malloc_freq 0.1.2...
[INFO] checking malloc_freq-0.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate malloc_freq 0.1.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate malloc_freq 0.1.2 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 crates.io crate malloc_freq 0.1.2
[INFO] finished tweaking crates.io crate malloc_freq 0.1.2
[INFO] tweaked toml for crates.io crate malloc_freq 0.1.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate malloc_freq 0.1.2 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_yaml v0.8.17
[INFO] [stderr]   Downloaded backtrace v0.3.61
[INFO] [stderr]   Downloaded anyhow v1.0.42
[INFO] [stderr]   Downloaded args v2.2.0
[INFO] [stderr]   Downloaded addr2line v0.16.0
[INFO] [stderr]   Downloaded num-format v0.4.0
[INFO] [stderr]   Downloaded object v0.26.0
[INFO] [stderr]   Downloaded gimli v0.25.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c929d89899c1f7c1d66dd6edeba3fa4e33912470d9bdb8d846eb5082c6c83f13
[INFO] running `Command { std: "docker" "start" "-a" "c929d89899c1f7c1d66dd6edeba3fa4e33912470d9bdb8d846eb5082c6c83f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c929d89899c1f7c1d66dd6edeba3fa4e33912470d9bdb8d846eb5082c6c83f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c929d89899c1f7c1d66dd6edeba3fa4e33912470d9bdb8d846eb5082c6c83f13", kill_on_drop: false }`
[INFO] [stdout] c929d89899c1f7c1d66dd6edeba3fa4e33912470d9bdb8d846eb5082c6c83f13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2d423a70e236ae2029652195be354f8c437c722597a73312782a0d1fc24cadb6
[INFO] running `Command { std: "docker" "start" "-a" "2d423a70e236ae2029652195be354f8c437c722597a73312782a0d1fc24cadb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking args v2.2.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]     Checking object v0.26.0
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking malloc_freq v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stdout]    --> src/lib.rs:200:62
[INFO] [stdout]     |
[INFO] [stdout] 200 |                         .insert(callstack.clone(), IntoIter::new([(size, 1)]).collect());
[INFO] [stdout]     |                                                              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stdout]    --> src/lib.rs:200:62
[INFO] [stdout]     |
[INFO] [stdout] 200 |                         .insert(callstack.clone(), IntoIter::new([(size, 1)]).collect());
[INFO] [stdout]     |                                                              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.72s
[INFO] running `Command { std: "docker" "inspect" "2d423a70e236ae2029652195be354f8c437c722597a73312782a0d1fc24cadb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d423a70e236ae2029652195be354f8c437c722597a73312782a0d1fc24cadb6", kill_on_drop: false }`
[INFO] [stdout] 2d423a70e236ae2029652195be354f8c437c722597a73312782a0d1fc24cadb6
[INFO] checking malloc_freq-0.1.2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate malloc_freq 0.1.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate malloc_freq 0.1.2 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 crates.io crate malloc_freq 0.1.2
[INFO] finished tweaking crates.io crate malloc_freq 0.1.2
[INFO] tweaked toml for crates.io crate malloc_freq 0.1.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate malloc_freq 0.1.2 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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 095025b6d2cdf9cdb77ac6f4097e65b6c26db6142721111f9e185e0721fceed7
[INFO] running `Command { std: "docker" "start" "-a" "095025b6d2cdf9cdb77ac6f4097e65b6c26db6142721111f9e185e0721fceed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "095025b6d2cdf9cdb77ac6f4097e65b6c26db6142721111f9e185e0721fceed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "095025b6d2cdf9cdb77ac6f4097e65b6c26db6142721111f9e185e0721fceed7", kill_on_drop: false }`
[INFO] [stdout] 095025b6d2cdf9cdb77ac6f4097e65b6c26db6142721111f9e185e0721fceed7
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16a05037b5d543ab329da1102ba13bb0d51a048f7c06ea0bb07cf52d5393ef5c
[INFO] running `Command { std: "docker" "start" "-a" "16a05037b5d543ab329da1102ba13bb0d51a048f7c06ea0bb07cf52d5393ef5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking args v2.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking object v0.26.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking malloc_freq v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stdout]    --> src/lib.rs:200:62
[INFO] [stdout]     |
[INFO] [stdout] 200 |                         .insert(callstack.clone(), IntoIter::new([(size, 1)]).collect());
[INFO] [stdout]     |                                                              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stdout]    --> src/lib.rs:200:62
[INFO] [stdout]     |
[INFO] [stdout] 200 |                         .insert(callstack.clone(), IntoIter::new([(size, 1)]).collect());
[INFO] [stdout]     |                                                              ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.64s
[INFO] running `Command { std: "docker" "inspect" "16a05037b5d543ab329da1102ba13bb0d51a048f7c06ea0bb07cf52d5393ef5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16a05037b5d543ab329da1102ba13bb0d51a048f7c06ea0bb07cf52d5393ef5c", kill_on_drop: false }`
[INFO] [stdout] 16a05037b5d543ab329da1102ba13bb0d51a048f7c06ea0bb07cf52d5393ef5c